SEC Info - CarParts.com, Inc. - ‘10-Q’ for 6/30/18

SEC Info℠

Home

Help

Please Sign In

CarParts.com, Inc. – ‘10-Q’ for 6/30/18 – ‘EX-101.LAB’

On: Wednesday, 8/8/18, at 6:35pm ET · As of: 8/9/18 · For: 6/30/18 · Accession #: 1378950-18-6 · File #: 1-33264

  As Of               Filer                 Filing    For·On·As Docs:Size

 8/09/18  CarParts.com, Inc.                10-Q        6/30/18   54:4M

Quarterly Report — Form 10-Q — Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    500K 
 2: EX-10.1     Material Contract                                   HTML     64K 
 3: EX-10.2     Material Contract                                   HTML     57K 
 4: EX-10.3     Material Contract                                   HTML     18K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     24K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     24K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     20K 
 8: EX-32.2     Certification -- §906 - SOA'02                      HTML     20K 
15: R1          Document and Entity Information                     HTML     38K 
16: R2          Consolidated Balance Sheets (Unaudited)             HTML    108K 
17: R3          Consolidated Balance Sheets (Unaudited)             HTML     46K 
                (Parenthetical)                                                  
18: R4          Consolidated Statements of Operations and           HTML    129K 
                Comprehensive Operations (Unaudited)                             
19: R5          Consolidated Statements of Cash Flows (Unaudited)   HTML    121K 
20: R6          Basis of Presentation and Description of Company    HTML     34K 
21: R7          Intangible Assets, Net                              HTML     59K 
22: R8          Borrowings                                          HTML     27K 
23: R9          Stockholders' Equity and Share-Based Compensation   HTML     47K 
24: R10         Net (Loss) Income Per Share                         HTML     73K 
25: R11         Income Taxes                                        HTML     23K 
26: R12         Commitments and Contingencies                       HTML     41K 
27: R13         Product Information                                 HTML     48K 
28: R14         Discontinued Operations                             HTML     33K 
29: R15         Basis of Presentation and Description of Company    HTML     26K 
                (Policies)                                                       
30: R16         Intangible Assets, Net (Tables)                     HTML     61K 
31: R17         Stockholders' Equity and Share-Based Compensation   HTML     39K 
                (Tables)                                                         
32: R18         Net (Loss) Income Per Share (Tables)                HTML     76K 
33: R19         Commitments and Contingencies (Tables)              HTML     34K 
34: R20         Product Information (Tables)                        HTML     49K 
35: R21         Discontinued Operations (Tables)                    HTML     36K 
36: R22         Basis of Presentation and Description of Company    HTML     31K 
                (Details)                                                        
37: R23         Intangible Assets, Net - Summary of Intangible      HTML     40K 
                Assets (Details)                                                 
38: R24         Intangible Assets, Net - Additional Information     HTML     21K 
                (Details)                                                        
39: R25         Intangible Assets, Net - Summary of Future          HTML     34K 
                Estimated Annual Amortization Expense (Details)                  
40: R26         Borrowings - Additional Information (Details)       HTML     63K 
41: R27         Stockholders' Equity and Share-Based Compensation   HTML     50K 
                - Narrative (Details)                                            
42: R28         Stockholders' Equity and Share-Based Compensation   HTML     60K 
                - Summary of Restricted Stock Unit Activity                      
                (Details)                                                        
43: R29         Net (Loss) Income Per Share - Computation of Basic  HTML     50K 
                and Diluted Net (Loss) Income Per Share (Details)                
44: R30         Net (Loss) Income Per Share - Anti-Dilutive         HTML     35K 
                Securities Excluded from Calculation of Diluted                  
                Earnings Per Share (Details)                                     
45: R31         Income Taxes - Additional Information (Details)     HTML     21K 
46: R32         Commitments and Contingencies - Additional          HTML     22K 
                Information (Details)                                            
47: R33         Commitments and Contingencies - Summary of Future   HTML     28K 
                Minimum Lease Payments Under Non-Cancellable                     
                Operating Leases (Details)                                       
48: R34         Commitments and Contingencies - Summary of Capital  HTML     38K 
                Lease Commitments (Details)                                      
49: R35         Product Information - Summary of Revenue by         HTML     39K 
                Product Type (Details)                                           
50: R36         Discontinued Operations - Summary of Discontinued   HTML     45K 
                Operations (Details)                                             
51: R37         Discontinued Operations - Narrative (Details)       HTML     40K 
53: XML         IDEA XML File -- Filing Summary                      XML     87K 
52: EXCEL       IDEA Workbook of Financial Reports                  XLSX     43K 
 9: EX-101.INS  XBRL Instance -- prts-20180630                       XML    947K 
11: EX-101.CAL  XBRL Calculations -- prts-20180630_cal               XML    175K 
12: EX-101.DEF  XBRL Definitions -- prts-20180630_def                XML    273K 
13: EX-101.LAB  XBRL Labels -- prts-20180630_lab                     XML    974K 
14: EX-101.PRE  XBRL Presentations -- prts-20180630_pre              XML    534K 
10: EX-101.SCH  XBRL Schema -- prts-20180630                         XSD     92K 
54: ZIP         XBRL Zipped Folder -- 0001378950-18-000006-xbrl      Zip    117K

‘EX-101.LAB’ — XBRL Labels — prts-20180630_lab

This Exhibit is an XBRL XML File.

<?xml version="1.0" encoding="windows-1252"?>

<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple"/>

<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple"/>

<link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">

<link:label id="lab_us-gaap_EarningsPerShareAbstract_B1A5707FB4C520789AF51A2D72E463AF_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_B1A5707FB4C520789AF51A2D72E463AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_B1A5707FB4C520789AF51A2D72E463AF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_B1A5707FB4C520789AF51A2D72E463AF" xlink:to="lab_us-gaap_EarningsPerShareAbstract_B1A5707FB4C520789AF51A2D72E463AF" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Computation of Basic and Diluted Net Income Per Share </link:label>

<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_982D9EE2730F5CF487FE1A2D72E410A2" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Anti-Dilutive Securities Excluded from Calculation of Diluted Earnings Per Share </link:label>

<link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0" xlink:to="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_AC44F360C5E0AF359E3B1A2D72E43EB0" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_584E64C13800523176356C91A5297BEA_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_584E64C13800523176356C91A5297BEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure of Compensation Related Costs, Share-based Payments [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_584E64C13800523176356C91A5297BEA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_584E64C13800523176356C91A5297BEA" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_584E64C13800523176356C91A5297BEA" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity and Share-Based Compensation </link:label>

<link:label id="lab_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C_label_en-US" xlink:label="lab_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shareholders' Equity and Share-based Payments [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C" xlink:to="lab_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_3B347857FFAB68BCA2466C91A52A730C" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtDisclosureAbstract_272234A4C6514E2DB1AE109A929DC4C4_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_272234A4C6514E2DB1AE109A929DC4C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_272234A4C6514E2DB1AE109A929DC4C4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract_272234A4C6514E2DB1AE109A929DC4C4" xlink:to="lab_us-gaap_DebtDisclosureAbstract_272234A4C6514E2DB1AE109A929DC4C4" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Table] </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511" xlink:to="lab_us-gaap_LineOfCreditFacilityTable_36DFC361CB5EE272A6F6109A929D3511" xlink:type="arc"/>

<link:label id="lab_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>

<link:label id="lab_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702" xlink:to="lab_us-gaap_VariableRateAxis_CA98752B60C63786C016109A929D8702" xlink:type="arc"/>

<link:label id="lab_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>

<link:label id="lab_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832" xlink:to="lab_us-gaap_VariableRateDomain_B779D5E497D5F8FBF3F0109A929EA832" xlink:type="arc"/>

<link:label id="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB_terseLabel_en-US" xlink:label="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> One-Month London Interbank Offered Rate (LIBOR) </link:label>

<link:label id="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB_label_en-US" xlink:label="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> One-Month London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:label id="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB_documentation_en-US" xlink:label="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> One-Month London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_OneMonthLondonInterbankOfferedRateLIBORMember" xlink:label="loc_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:to="lab_prts_OneMonthLondonInterbankOfferedRateLIBORMember_E7480D1C5C0325C58E01109A929E63BB" xlink:type="arc"/>

<link:label id="lab_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base Rate </link:label>

<link:label id="lab_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Base Rate [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A" xlink:to="lab_us-gaap_BaseRateMember_6336AE49C345B8502306109A929E458A" xlink:type="arc"/>

<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905_terseLabel_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) </link:label>

<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905" xlink:to="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_106DC05C9E07E5D71BDF109A929E7905" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lender Name [Axis] </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lender Name [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B" xlink:to="lab_us-gaap_LineOfCreditFacilityAxis_C1EC99B644BEC3A2CBD8109A929E083B" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017" xlink:to="lab_us-gaap_LineOfCreditFacilityLenderDomain_BEECE129E38C1CF80A2A109A929F4017" xlink:type="arc"/>

<link:label id="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65_terseLabel_en-US" xlink:label="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> JP Morgan Chase Bank </link:label>

<link:label id="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65_label_en-US" xlink:label="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> JP Morgan Chase Bank [Member] </link:label>

<link:label id="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65_documentation_en-US" xlink:label="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> JPMorgan Chase Bank. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_JPMorganChaseBankMember" xlink:label="loc_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:to="lab_prts_JPMorganChaseBankMember_A251B8683BB0B7319F59109A929FBF65" xlink:type="arc"/>

<link:label id="lab_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>

<link:label id="lab_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790" xlink:to="lab_us-gaap_CreditFacilityAxis_F534E7063D5F24097C29109A929FC790" xlink:type="arc"/>

<link:label id="lab_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>

<link:label id="lab_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695" xlink:to="lab_us-gaap_CreditFacilityDomain_7B3D43C0D879FDD75915109A929F6695" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility </link:label>

<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_FAD1B6708E6A9B86AF6E109A92A0D915" xlink:type="arc"/>

<link:label id="lab_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77_terseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Letter of Credit </link:label>

<link:label id="lab_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letter of Credit [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77" xlink:to="lab_us-gaap_LetterOfCreditMember_843463B3FA939B23E8DA10A37FB5ED77" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Line Items] </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems_65CDC731F1EE3B2DEB52109A92A083A0" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum borrowing capacity (up to) </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C1C4A897B6DA8AFC459F109A92A0E5A9" xlink:type="arc"/>

<link:label id="lab_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B_terseLabel_en-US" xlink:label="lab_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving loan payable </link:label>

<link:label id="lab_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B_label_en-US" xlink:label="lab_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B" xlink:to="lab_us-gaap_LinesOfCreditCurrent_676A625AC050CB5D3901109A92A0139B" xlink:type="arc"/>

<link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding letters of credit amount </link:label>

<link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letters of Credit Outstanding, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_54D932BC9ACB2A7F274A109A92A16173" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Applicable margin for LIBOR-based interest rate/ Applicable margin for alternate based rate (percent) </link:label>

<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B5489A03746020B0C69A109A92A1D98C" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate (percent) </link:label>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_35ECA10D525F8534B1AE109A92A1C06F" xlink:type="arc"/>

<link:label id="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF_terseLabel_en-US" xlink:label="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIBOR based interest rate, principal </link:label>

<link:label id="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF_label_en-US" xlink:label="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Libor Based Rate Principal </link:label>

<link:label id="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF_documentation_en-US" xlink:label="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Libor based rate principal. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LiborBasedRatePrincipal" xlink:label="loc_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:to="lab_prts_LiborBasedRatePrincipal_2F5E330ED63A1B7844D1109A92A149DF" xlink:type="arc"/>

<link:label id="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C_terseLabel_en-US" xlink:label="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prime based rate, principal </link:label>

<link:label id="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C_label_en-US" xlink:label="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prime Based Rate Principal </link:label>

<link:label id="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C_documentation_en-US" xlink:label="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Prime based rate principal. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PrimeBasedRatePrincipal" xlink:label="loc_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:to="lab_prts_PrimeBasedRatePrincipal_FF35D5411CFEA9A45E96109A92A1D25C" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unused credit commitment fee (percent) </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_D28FA5172FFD298E6DB2109A92A2AF79" xlink:type="arc"/>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967_terseLabel_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum availability required trigger amount (if less than) </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967_label_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required, Trigger Amount </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967_documentation_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required, Trigger Amount </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount" xlink:label="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:to="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerAmount_156D6AB0D419DD1FD111109A92A28967" xlink:type="arc"/>

<link:label id="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B_terseLabel_en-US" xlink:label="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of days below minimum excess availability that triggers cash dominion period </link:label>

<link:label id="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B_label_en-US" xlink:label="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Cash Dominion Period, Number of Days Below Minimum Excess Availability </link:label>

<link:label id="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B_documentation_en-US" xlink:label="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Cash Dominion Period Trigger, Number of Days Below Minimum Excess Availability </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability" xlink:label="loc_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:to="lab_prts_DebtInstrumentCashDominionPeriodNumberofDaysBelowMinimumExcessAvailability_C144B78E14763A0E9ADA109A92A25D7B" xlink:type="arc"/>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5_terseLabel_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of consecutive days excess availability is above required amount </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5_label_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required Trigger, Threshold Consecutive Days </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5_documentation_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required Trigger, Threshold Consecutive Days </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays" xlink:label="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:to="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredTriggerThresholdConsecutiveDays_706D4CF070C7F0215D32109A92A2DAD5" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Event of default amount </link:label>

<link:label id="lab_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4_label_en-US" xlink:label="lab_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Debt Default, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDefaultLongtermDebtAmount" xlink:label="loc_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4" xlink:to="lab_us-gaap_DebtDefaultLongtermDebtAmount_BF44E8BA5162092BF293109A92A2C9F4" xlink:type="arc"/>

<link:label id="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C_terseLabel_en-US" xlink:label="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess availability (greater than) </link:label>

<link:label id="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C_label_en-US" xlink:label="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Excess Availability </link:label>

<link:label id="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C_documentation_en-US" xlink:label="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Excess Availability </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LineofCreditFacilityExcessAvailability" xlink:label="loc_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:to="lab_prts_LineofCreditFacilityExcessAvailability_B59597A436BB3946F51B109A92A2766C" xlink:type="arc"/>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740_terseLabel_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum availability required under availability block </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740_label_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required under Availability Block, Amount </link:label>

<link:label id="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740_documentation_en-US" xlink:label="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Minimum Availability Required under Availability Block, Amount </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount" xlink:label="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:to="lab_prts_LineofCreditFacilityMinimumAvailabilityRequiredunderAvailabilityBlockAmount_D56CAB7BB4CB58000D04109A92A31740" xlink:type="arc"/>

<link:label id="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928_verboseLabel_en-US" xlink:label="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Minimum fixed charge ratio if less than minimum excess availability </link:label>

<link:label id="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928_label_en-US" xlink:label="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line Of Credit Facility, Covenant Terms, Minimum Fixed Charge Coverage Ratio </link:label>

<link:label id="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928_documentation_en-US" xlink:label="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line Of Credit Facility, Covenant Terms, Minimum Fixed Charge Coverage Ratio </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio" xlink:label="loc_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:to="lab_prts_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio_F98EF2BD5F3C4D676F44109A92A32928" xlink:type="arc"/>

<link:label id="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03_terseLabel_en-US" xlink:label="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess availability under credit facility </link:label>

<link:label id="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03_label_en-US" xlink:label="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Excess Availability Under Credit Facility </link:label>

<link:label id="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03_documentation_en-US" xlink:label="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Excess availability under credit facility. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_ExcessAvailabilityUnderCreditFacility" xlink:label="loc_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:to="lab_prts_ExcessAvailabilityUnderCreditFacility_5775C534A6B71C98F705109A92A3AE03" xlink:type="arc"/>

<link:label id="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938_terseLabel_en-US" xlink:label="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal payments due </link:label>

<link:label id="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938_label_en-US" xlink:label="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Debt Default, Principal Amount Due </link:label>

<link:label id="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938_documentation_en-US" xlink:label="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Debt Default, Principal Amount Due </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_DebtInstrumentDebtDefaultPrincipalAmountDue" xlink:label="loc_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:to="lab_prts_DebtInstrumentDebtDefaultPrincipalAmountDue_754B3C19CC9CC35CBB64109A92A37938" xlink:type="arc"/>

<link:label id="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_15D3943595C532984FCC6C91A47CB2FB_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_15D3943595C532984FCC6C91A47CB2FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations and Disposal Groups [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_15D3943595C532984FCC6C91A47CB2FB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_15D3943595C532984FCC6C91A47CB2FB" xlink:to="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_15D3943595C532984FCC6C91A47CB2FB" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label>

<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_762CE071DCC1B5300F646C91A47C2345" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Restricted Stock Unit Activity </link:label>

<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_49CB798BEC271A2DC4856C91A544A6BB" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0107509CD00F57626678109A925E5BB6_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0107509CD00F57626678109A925E5BB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0107509CD00F57626678109A925E5BB6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0107509CD00F57626678109A925E5BB6" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0107509CD00F57626678109A925E5BB6" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1B126DC9ECDCC48A90A6109A925E7300_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1B126DC9ECDCC48A90A6109A925E7300" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1B126DC9ECDCC48A90A6109A925E7300" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1B126DC9ECDCC48A90A6109A925E7300" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1B126DC9ECDCC48A90A6109A925E7300" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Remainder of Fiscal Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_90FA96D4F1CEE11429AB109A925E7174" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_B92B8A4B2CBA02EA6507109A925E888C" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_090EE7F07D7FB1C0057D109A925F1A0B" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_81E3C1112BEAF8733ACA109A925F740B" xlink:type="arc"/>

<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_84820C4D20AD772006BB6C91A5E6EDC2_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_84820C4D20AD772006BB6C91A5E6EDC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_84820C4D20AD772006BB6C91A5E6EDC2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_84820C4D20AD772006BB6C91A5E6EDC2" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_84820C4D20AD772006BB6C91A5E6EDC2" xlink:type="arc"/>

<link:label id="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Net </link:label>

<link:label id="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78" xlink:to="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_B50F442A7F717FB7D7576C91A5E65B78" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_31883E9DA171BDDD87541A2D735FA470_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_31883E9DA171BDDD87541A2D735FA470" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_31883E9DA171BDDD87541A2D735FA470" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_31883E9DA171BDDD87541A2D735FA470" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_31883E9DA171BDDD87541A2D735FA470" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0A6DC2AF78360FF4DF241A2D736038FA" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:label id="lab_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112" xlink:to="lab_us-gaap_NetIncomeLoss_593B1A82F0072F90240B1A2D73609112" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </link:label>

<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_537D2078A559F07DC5F91A2D7360870E" xlink:type="arc"/>

<link:label id="lab_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization expense </link:label>

<link:label id="lab_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE_label_en-US" xlink:label="lab_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE" xlink:to="lab_us-gaap_Depreciation_3D255F7E30BBDB27886E1A2D736106BE" xlink:type="arc"/>

<link:label id="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F_verboseLabel_en-US" xlink:label="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of intangible assets </link:label>

<link:label id="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F_label_en-US" xlink:label="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets, Including Discontinued Operations </link:label>

<link:label id="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F_documentation_en-US" xlink:label="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets, Including Discontinued Operations </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations" xlink:label="loc_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:to="lab_prts_AmortizationofIntangibleAssetsIncludingDiscontinuedOperations_AA94C67AB4B02E13C46A1A2D73613D3F" xlink:type="arc"/>

<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>

<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_D38AAE8E4900C7CDE1111A2D7361B2CF" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Share-based compensation expense </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3" xlink:to="lab_us-gaap_ShareBasedCompensation_8590493198AAE3DAB4551A2D7362B6A3" xlink:type="arc"/>

<link:label id="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53_terseLabel_en-US" xlink:label="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock awards issued for non-employee director service </link:label>

<link:label id="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53_label_en-US" xlink:label="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Issuance of Stock and Warrants for Services or Claims </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53" xlink:to="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C2A5EA02AE18AD95E0681A2D73626A53" xlink:type="arc"/>

<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of deferred financing costs </link:label>

<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts_B7CE018284ABE16A9CFF1A2D7362A582" xlink:type="arc"/>

<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Gain from disposition of assets </link:label>

<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets_BF33E2FCF69A9919EA971A2D7362127E" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in operating assets and liabilities: </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5F64D01F1D0BBB36075D1A2D7363FEBB" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_D04888393C65776BC0C01A2D7363A44F" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventory </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Inventories </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_04DE76BA820C1F1047FB1A2D73646495" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Current Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A2481D716F9306DF3EC51A2D73643C97" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other non-current assets </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Noncurrent Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_F1FA18228677D86992A51A2D7364BF95" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8A7587EE311AB6F12EEC1A2D736495A4" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current liabilities </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Current Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_65DD03F9C34E2AF422111A2D73650EE9" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-current liabilities </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Noncurrent Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_1443194F0AC7A755BAB01A2D73659924" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4F639A6186B7E976055E1A2D7365163D" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investing activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_396D9DE9274DBBE4C9C81A2D73658770" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Additions to property and equipment </link:label>

<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_66FF658717FCB035A3611A2D7365DA4D" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sale of property and equipment </link:label>

<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Property, Plant, and Equipment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B307D93ACCF787A7CBAB1A2D7366740A" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in investing activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24A4C71DF9FE9595D0141A2D73665371" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97F9BF5B61089353A6881A2D73669867" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Borrowings from revolving loan payable </link:label>

<link:label id="lab_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Lines of Credit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2" xlink:to="lab_us-gaap_ProceedsFromLinesOfCredit_DE8DFF7496FA4DC2B0E31A2D736699D2" xlink:type="arc"/>

<link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments made on revolving loan payable </link:label>

<link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Lines of Credit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF" xlink:to="lab_us-gaap_RepaymentsOfLinesOfCredit_59362948D06BD0A81B421A2D736768DF" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from stock options </link:label>

<link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Stock Options Exercised </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D" xlink:to="lab_us-gaap_ProceedsFromStockOptionsExercised_9499D0977A18780F265B1A2D7367454D" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Minority shareholder redemption </link:label>

<link:label id="lab_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198_label_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Noncontrolling Interests </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198" xlink:to="lab_us-gaap_PaymentsToMinorityShareholders_AED6086FD54C711B98551A2D7367E198" xlink:type="arc"/>

<link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on capital leases </link:label>

<link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Capital Lease Obligations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C" xlink:to="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_4726D7AC30AE2A11595C1A2D7367CB3C" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock repurchase </link:label>

<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_4AA8DDE626A05998F0691A2D7368C1B5" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Statutory tax withholding payment for share-based compensation </link:label>

<link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments Related to Tax Withholding for Share-based Compensation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_9C84296EB78CF2AB9A381A2D7368F3EB" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payment of liabilities related to financing activities </link:label>

<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121" xlink:to="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7259DFB7188FDC41A45F1A2D73683121" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock dividends paid </link:label>

<link:label id="lab_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends, Preferred Stock and Preference Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D" xlink:to="lab_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_138CF552ADFD6F63121E1A2D73686E9D" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in financing activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_488A34963467EEF3FE421A2D7369BEE6" xlink:type="arc"/>

<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash </link:label>

<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_C0C05677271BE8F437C81A2D73697417" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net change in cash and cash equivalents </link:label>

<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B500F9C407C6CC6848311A2D7369345D" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, beginning of period </link:label>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_08F9A4CFE6DC74B2288E1A2D7369EE30" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_DF1FDC3F43A580AA81951A2D736AAEA2_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_DF1FDC3F43A580AA81951A2D736AAEA2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, end of period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DF1FDC3F43A580AA81951A2D736AAEA2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DF1FDC3F43A580AA81951A2D736AAEA2" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_DF1FDC3F43A580AA81951A2D736AAEA2" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental disclosure of non-cash investing and financing activities: </link:label>

<link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_7B2BDD1BF61A809B90EC1A2D736AECA2" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued asset purchases </link:label>

<link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0_label_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Expenditures Incurred but Not yet Paid </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_9B94CA532B0775C52FED1A2D736A5EB0" xlink:type="arc"/>

<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental disclosure of cash flow information: </link:label>

<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_A9EB052A4922822C91A31A2D736AD43F" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid during the period for income taxes </link:label>

<link:label id="lab_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_16B1C3DC869745CC7BC61A2D736AA836" xlink:type="arc"/>

<link:label id="lab_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid during the period for interest </link:label>

<link:label id="lab_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D_label_en-US" xlink:label="lab_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Including Capitalized Interest, Operating and Investing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D" xlink:to="lab_us-gaap_InterestPaid_D80FB613F275B5C553071A2D736B5D5D" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountingPoliciesAbstract_CBD4088A2AE4E2F2CA6B109A92C262E4_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_CBD4088A2AE4E2F2CA6B109A92C262E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_CBD4088A2AE4E2F2CA6B109A92C262E4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_CBD4088A2AE4E2F2CA6B109A92C262E4" xlink:to="lab_us-gaap_AccountingPoliciesAbstract_CBD4088A2AE4E2F2CA6B109A92C262E4" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Initial Application Period Cumulative Effect Transition [Table] </link:label>

<link:label id="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836_label_en-US" xlink:label="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Initial Application Period Cumulative Effect Transition [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836" xlink:to="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_3E187B80F5683A106A68109A92C2A836" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>

<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09_label_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09" xlink:to="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_E239188D7FAE6D48A1BB109A92C2EA09" xlink:type="arc"/>

<link:label id="lab_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>

<link:label id="lab_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3_label_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3" xlink:to="lab_us-gaap_TypeOfAdoptionMember_9BC47E4092D2504DC347109A92C2B7D3" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2014-09 </link:label>

<link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2014-09 [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD" xlink:to="lab_us-gaap_AccountingStandardsUpdate201409Member_C4B258B50E3A584E46BD109A92C33CCD" xlink:type="arc"/>

<link:label id="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D_terseLabel_en-US" xlink:label="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Initial Application Period Cumulative Effect Transition [Axis] </link:label>

<link:label id="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D_label_en-US" xlink:label="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Initial Application Period Cumulative Effect Transition [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D" xlink:to="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_609A1031BD0969930722109A92C3902D" xlink:type="arc"/>

<link:label id="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579_terseLabel_en-US" xlink:label="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Initial Application Period Cumulative Effect Transition [Domain] </link:label>

<link:label id="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579_label_en-US" xlink:label="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Initial Application Period Cumulative Effect Transition [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579" xlink:to="lab_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_A03F23F29E03660E02DB109A92C3C579" xlink:type="arc"/>

<link:label id="lab_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1_terseLabel_en-US" xlink:label="lab_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Difference between Revenue Guidance in Effect before and after Topic 606 [Member] </link:label>

<link:label id="lab_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1_label_en-US" xlink:label="lab_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Difference between Revenue Guidance in Effect before and after Topic 606 [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member" xlink:label="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1" xlink:to="lab_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_2EAFED794EB8AC5C8CBA109A92C375B1" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Initial Application Period Cumulative Effect Transition [Line Items] </link:label>

<link:label id="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD_label_en-US" xlink:label="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Initial Application Period Cumulative Effect Transition [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD" xlink:to="lab_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_A8B70EA148021F2B6AD1109A92C45DBD" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetIncomeLoss_956DFB482E4C00F012D8109A92C46CF3_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_956DFB482E4C00F012D8109A92C46CF3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net (loss) income </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_956DFB482E4C00F012D8109A92C46CF3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_956DFB482E4C00F012D8109A92C46CF3" xlink:to="lab_us-gaap_NetIncomeLoss_956DFB482E4C00F012D8109A92C46CF3" xlink:type="arc"/>

<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A_verboseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative effect adjustment </link:label>

<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_65A2F5774E4FA17CBAC6109A92C4D49A" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_3DBD6CAD37E2C59572E5CCD323FBF9CC_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_3DBD6CAD37E2C59572E5CCD323FBF9CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_3DBD6CAD37E2C59572E5CCD323FBF9CC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_3DBD6CAD37E2C59572E5CCD323FBF9CC" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_3DBD6CAD37E2C59572E5CCD323FBF9CC" xlink:type="arc"/>

<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective tax rate </link:label>

<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Percent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_A9567FD3CF4A7D696D7DCCD323FB0145" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_C44F2A496F5F813158256C91A51F8515_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_C44F2A496F5F813158256C91A51F8515" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_C44F2A496F5F813158256C91A51F8515" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_C44F2A496F5F813158256C91A51F8515" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_C44F2A496F5F813158256C91A51F8515" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments, Remainder of Fiscal Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_B92761ABDC89B6F38FCC6C91A520E06C" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Two Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1F00A090FE6B299FB4096C91A52083BE" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Three Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_8C3F85A571033BE455426C91A5201670" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Four Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_E242A6D2111024E6A1E16C91A520F305" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Five Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_8FD2F0EA9D51C75B7CBA6C91A5209301" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due Thereafter </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_1189CFE094F9A9BC4EFD6C91A521687C" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total minimum payments required </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2B286819B13EA469F6366C91A521C97F" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879_verboseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Less amount representing interest </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments, Interest Included in Payments </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_A495790FABF2027272CD6C91A521E879" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Present value of minimum capital lease payments </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_9056708F48E28537A2616C91A521E100" xlink:type="arc"/>

<link:label id="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of Presentation and Description of Company </link:label>

<link:label id="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5" xlink:to="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_FB3DCEBF53A9C9843B3F6C91A53112D5" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </link:label>

<link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432" xlink:to="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_D3AA272B0D8FFC0EC0DA16DDBB3D6432" xlink:type="arc"/>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities [Axis] </link:label>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_77707D2E031677369A7B16DDBB3DB791" xlink:type="arc"/>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities, Name [Domain] </link:label>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities, Name [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3" xlink:to="lab_us-gaap_AntidilutiveSecuritiesNameDomain_B1E61B607AA3C0BAF08816DDBB3EAFD3" xlink:type="arc"/>

<link:label id="lab_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7_verboseLabel_en-US" xlink:label="lab_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Common stock warrants </link:label>

<link:label id="lab_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7_label_en-US" xlink:label="lab_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warrant [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7" xlink:to="lab_us-gaap_WarrantMember_39984669D34445815D2A16DDBB3E7CB7" xlink:type="arc"/>

<link:label id="lab_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C_verboseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Performance stock units </link:label>

<link:label id="lab_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Shares [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C" xlink:to="lab_us-gaap_PerformanceSharesMember_0624AAEDC48E6E11276B16DDBB3EE45C" xlink:type="arc"/>

<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted stock units </link:label>

<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D" xlink:to="lab_us-gaap_RestrictedStockUnitsRSUMember_16D44EA731A5CCB9E2E216DDBB3F266D" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A Convertible Preferred Stock </link:label>

<link:label id="lab_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2_label_en-US" xlink:label="lab_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Preferred Stock [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2" xlink:to="lab_us-gaap_ConvertiblePreferredStockMember_2FEE301FE839CFED645D16DDBB3F55A2" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A_terseLabel_en-US" xlink:label="lab_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options to purchase common stock </link:label>

<link:label id="lab_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A_label_en-US" xlink:label="lab_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Option [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockOptionMember" xlink:label="loc_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A" xlink:to="lab_us-gaap_StockOptionMember_09508B0AD3BA11448C4C16DDBB3FE80A" xlink:type="arc"/>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </link:label>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_BB9FE6DDD4CA866BA39016DDBB3FEB31" xlink:type="arc"/>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) </link:label>

<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D33E388FCFE07F62A97D16DDBB3F28EA" xlink:type="arc"/>

<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Numerator: </link:label>

<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic and Diluted [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C5E511A796519C9B7D7F16DDBB4AE5B2" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> (Loss) income from continuing operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperations_B9B7496484F6EA90948016DDBB4AA19B" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends on Series A Convertible Preferred Stock </link:label>

<link:label id="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830_label_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock Dividends, Income Statement Impact </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830" xlink:to="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_2ECF2E727F5F32A334B016DDBB4B3830" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> (Loss) income from continuing operations available to common shares </link:label>

<link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Available to Common Stockholders, Basic </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_60E4F870A7172262403716DDBB4B3A1C" xlink:type="arc"/>

<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Denominator: </link:label>

<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_007C3B9E5B98F29FCCE216DDBB4BFA3B" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average common shares outstanding (basic) (in shares) </link:label>

<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1156389D2E8F174CA9B616DDBB4B8105" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common equivalent shares from common stock options, restricted stock, preferred stock and warrants (in shares) </link:label>

<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number Diluted Shares Outstanding Adjustment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224" xlink:to="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0D548E88EC9B6C1A7EC416DDBB4CA224" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average common shares outstanding (diluted) (in shares) </link:label>

<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_37F7C3A94971B7D881BE16DDBB4CB103" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic net (loss) income from continuing operations per share (in usd per share) </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Basic Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_364A23C527AC3B3CF3AE16DDBB4C5E23" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted net (loss) income from continuing operations per share (in usd per share) </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Diluted Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_C9E1508FAC12CC16AD1F16DDBB4CB6B2" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>

<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_B666F195B2004ED2C14C6C91A6166D94" xlink:type="arc"/>

<link:label id="lab_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B_terseLabel_en-US" xlink:label="lab_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>

<link:label id="lab_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B_label_en-US" xlink:label="lab_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B" xlink:to="lab_srt_RangeAxis_BA553809AD5507C538D56C91A6179B2B" xlink:type="arc"/>

<link:label id="lab_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56_terseLabel_en-US" xlink:label="lab_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>

<link:label id="lab_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56_label_en-US" xlink:label="lab_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56" xlink:to="lab_srt_RangeMember_C349F7C14C8747EF6F2A6C91A6177A56" xlink:type="arc"/>

<link:label id="lab_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum </link:label>

<link:label id="lab_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614_label_en-US" xlink:label="lab_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614" xlink:to="lab_srt_MinimumMember_EA2A19F095EE64C310696C91A6183614" xlink:type="arc"/>

<link:label id="lab_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96_terseLabel_en-US" xlink:label="lab_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum </link:label>

<link:label id="lab_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96_label_en-US" xlink:label="lab_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96" xlink:to="lab_srt_MaximumMember_01FC535F2CB182BDE30B6C91A618AF96" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3080EC75D701AF1AB0866C91A618B7DA" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A6C954A3A6EBD6CD11756C91A6183DA5" xlink:type="arc"/>

<link:label id="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D_terseLabel_en-US" xlink:label="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product design intellectual property </link:label>

<link:label id="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D_label_en-US" xlink:label="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Design Intellectual Property [Member] </link:label>

<link:label id="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D_documentation_en-US" xlink:label="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Product design intellectual property. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_ProductDesignIntellectualPropertyMember" xlink:label="loc_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:to="lab_prts_ProductDesignIntellectualPropertyMember_60E42FDC6FA4F5B770F96C91A618BC5D" xlink:type="arc"/>

<link:label id="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689_terseLabel_en-US" xlink:label="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Patent license agreements </link:label>

<link:label id="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689_label_en-US" xlink:label="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Patent License Agreement [Member] </link:label>

<link:label id="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689_documentation_en-US" xlink:label="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Patent License Agreement [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PatentLicenseAgreementMember" xlink:label="loc_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:to="lab_prts_PatentLicenseAgreementMember_4F198FFC2DBEF7E3C1B46C91A6196689" xlink:type="arc"/>

<link:label id="lab_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domain and trade names </link:label>

<link:label id="lab_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade Names [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE" xlink:to="lab_us-gaap_TradeNamesMember_06E7574EB45F2BDF56216C91A61977CE" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets [Line Items] </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_629EFCE080EEC604017C6C91A61947B8" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful Life </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Asset, Useful Life </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_BACEF2CB900040CC88086C91A619AFD4" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross Carrying Amount </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_BA254D1B60B1822DCD436C91A61AF3C0" xlink:type="arc"/>

<link:label id="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010_negatedLabel_en-US" xlink:label="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Amort. and Impairment </link:label>

<link:label id="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010_label_en-US" xlink:label="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived Intangible Assets Accumulated Amortization And Impairment </link:label>

<link:label id="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010_documentation_en-US" xlink:label="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finite lived intangible assets accumulated amortization and impairment. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment" xlink:label="loc_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:to="lab_prts_FiniteLivedIntangibleAssetsAccumulatedAmortizationAndImpairment_822924BE01071A8AF61C6C91A61FE010" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net Carrying Amount </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5A614BB6DD4966D3E4486C91A61FBDEE" xlink:type="arc"/>

<link:label id="lab_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net (Loss) Income Per Share </link:label>

<link:label id="lab_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609" xlink:to="lab_us-gaap_EarningsPerShareTextBlock_F2F6A36E58D2E46B7ACC16DDBB57E609" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_A6DFB1717E7498BF95261A2D738EAEE9_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_A6DFB1717E7498BF95261A2D738EAEE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_A6DFB1717E7498BF95261A2D738EAEE9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_A6DFB1717E7498BF95261A2D738EAEE9" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_A6DFB1717E7498BF95261A2D738EAEE9" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>

<link:label id="lab_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C_label_en-US" xlink:label="lab_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C" xlink:to="lab_us-gaap_StatementTable_EED239A0057A3A826D561A2D738E5D1C" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label>

<link:label id="lab_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F" xlink:to="lab_us-gaap_StatementClassOfStockAxis_47A91CA0914C7A386EA71A2D738FD56F" xlink:type="arc"/>

<link:label id="lab_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock [Domain] </link:label>

<link:label id="lab_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB" xlink:to="lab_us-gaap_ClassOfStockDomain_C91689795D794B8C34E01A2D738F36DB" xlink:type="arc"/>

<link:label id="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00_terseLabel_en-US" xlink:label="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A Convertible Preferred Stock </link:label>

<link:label id="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00_label_en-US" xlink:label="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Series Convertible Preferred Stock [Member] </link:label>

<link:label id="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00_documentation_en-US" xlink:label="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_SeriesConvertiblePreferredStockMember" xlink:label="loc_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:to="lab_prts_SeriesConvertiblePreferredStockMember_6FA7DA0754146D887D871A2D738F6A00" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>

<link:label id="lab_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325" xlink:to="lab_us-gaap_StatementLineItems_E75DDB8D59CBB270ACCB1A2D738F0325" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock, par value (in usd per share) </link:label>

<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_485CF9BB057614F3A7171A2D73906CB8" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Share liquidation value (in usd per share) </link:label>

<link:label id="lab_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E_label_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Liquidation Preference Per Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockLiquidationPreference" xlink:label="loc_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E" xlink:to="lab_us-gaap_PreferredStockLiquidationPreference_A67057C0E1780BB4ACDF1A2D7390C93E" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share aggregate value </link:label>

<link:label id="lab_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821_label_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Liquidation Preference, Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockLiquidationPreferenceValue" xlink:label="loc_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821" xlink:to="lab_us-gaap_PreferredStockLiquidationPreferenceValue_357DC44E090B921FDB011A2D7390B821" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock, shares authorized (in shares) </link:label>

<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Authorized </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_478AC4AE68A228EC9FAC1A2D7390DABB" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock, shares issued (in shares) </link:label>

<link:label id="lab_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E" xlink:to="lab_us-gaap_PreferredStockSharesIssued_013985BB52E20373644C1A2D7391E31E" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock, shares outstanding (in shares) </link:label>

<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Outstanding </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding_2A0959E075D65B467D741A2D7391ED03" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in usd per share) </link:label>

<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_C7EB7584A208E55E090C1A2D7391497D" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares authorized (in shares) </link:label>

<link:label id="lab_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_D10EB0FFDA9A6FD5AB771A2D7391B714" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares issued (in shares) </link:label>

<link:label id="lab_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA" xlink:to="lab_us-gaap_CommonStockSharesIssued_713A50421AACB743D18A1A2D7391F8DA" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares outstanding (in shares) </link:label>

<link:label id="lab_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_8FDC07967FEA300730A91A2D7391410B" xlink:type="arc"/>

<link:label id="lab_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock (in shares) </link:label>

<link:label id="lab_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Shares </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063" xlink:to="lab_us-gaap_TreasuryStockShares_E2526AF73FFDFE7484CA1A2D73926063" xlink:type="arc"/>

<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of Presentation </link:label>

<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Basis of Accounting, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A46E68161FC60B6740816C91A575FBE5" xlink:type="arc"/>

<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recently Adopted Accounting Pronouncements </link:label>

<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_81248E069F6EFFC8FAD46C91A5751BD7" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>

<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ADF5DA6D0AED1C86797D161D5FE70323" xlink:type="arc"/>

<link:label id="lab_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>

<link:label id="lab_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91" xlink:to="lab_us-gaap_AwardTypeAxis_63272143A33CBA252712161D5FE80D91" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Award [Domain] </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Award [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C5D095F45515A2278CF5161D5FE862CD" xlink:type="arc"/>

<link:label id="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5_terseLabel_en-US" xlink:label="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Time Based RSU </link:label>

<link:label id="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5_label_en-US" xlink:label="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Time Based Restricted Stock Unit [Member] </link:label>

<link:label id="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5_documentation_en-US" xlink:label="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Time Based Restricted Stock Unit [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_TimeBasedRestrictedStockUnitMember" xlink:label="loc_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:to="lab_prts_TimeBasedRestrictedStockUnitMember_2238538F1CDD28B814C3161D5FE80DE5" xlink:type="arc"/>

<link:label id="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6_terseLabel_en-US" xlink:label="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance based RSU </link:label>

<link:label id="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6_label_en-US" xlink:label="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Based Restricted Stock Unit [Member] </link:label>

<link:label id="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6_documentation_en-US" xlink:label="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance Based Restricted Stock Unit [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PerformanceBasedRestrictedStockUnitMember" xlink:label="loc_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:to="lab_prts_PerformanceBasedRestrictedStockUnitMember_BCBB9B95625E5E2DDCCE161D5FE80BC6" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0354B8685334BAC8AB18161D5FE973D5" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Number of stock options granted (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_AA2331039979B4DF8CC7161D5FE90C96" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of options exercised (in shares) </link:label>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_642DF9BBAF1D8A105EDD161D5FE9CE11" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of stock options forfeited (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1A1A130793F5189F1AD2161D5FE92B64" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of stock options expired (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_7A295FFD55B841723B87161D5FEAF2C7" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_1C1123B201DC14B7C554161D5FEA498A" xlink:type="arc"/>

<link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34_terseLabel_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares withheld to satisfy employee tax obligations (in shares) </link:label>

<link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34_label_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Paid for Tax Withholding for Share Based Compensation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34" xlink:to="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_488CD7E16B8FEA4BC448161D5FEA9C34" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustment related employee tax obligations </link:label>

<link:label id="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37_label_en-US" xlink:label="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments Related to Tax Withholding for Share-based Compensation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37" xlink:to="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_0C6D7FD5F7F5699FFD17161D5FEAFC37" xlink:type="arc"/>

<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Compensation expense </link:label>

<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allocated Share-based Compensation Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_897503E59453C3B7D793161D5FEA2FF3" xlink:type="arc"/>

<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrecognized compensation expense </link:label>

<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_5ADA0C46554D06C110B1161D5FEAB5C5" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>

<link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_035C19AAE1BBB758309F6C91A466000B" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentReportingAbstract_74508B44DFB688FE8CCD6C91A4E09570_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_74508B44DFB688FE8CCD6C91A4E09570" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_74508B44DFB688FE8CCD6C91A4E09570" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract_74508B44DFB688FE8CCD6C91A4E09570" xlink:to="lab_us-gaap_SegmentReportingAbstract_74508B44DFB688FE8CCD6C91A4E09570" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product Information </link:label>

<link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock_02F11252BDF9916D7B136C91A4E0F294" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Borrowings </link:label>

<link:label id="lab_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B" xlink:to="lab_us-gaap_DebtDisclosureTextBlock_55256F75192E19F5D04D6C91A483638B" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Revenue by Product Type </link:label>

<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_B72925BF88AB2124B1486C91A59456B7" xlink:type="arc"/>

<link:label id="lab_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE_label_en-US" xlink:label="lab_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document And Entity Information [Abstract] </link:label>

<link:label id="lab_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE_documentation_en-US" xlink:label="lab_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Document and entity information. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_DocumentAndEntityInformationAbstract" xlink:label="loc_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE" xlink:to="lab_prts_DocumentAndEntityInformationAbstract_95B3F04632285C8FFBD66C91A5DCAEAE" xlink:type="arc"/>

<link:label id="lab_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>

<link:label id="lab_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5_label_en-US" xlink:label="lab_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5" xlink:to="lab_dei_EntityRegistrantName_FE127969FC86D4BCED756C91A5DD8EB5" xlink:type="arc"/>

<link:label id="lab_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>

<link:label id="lab_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937" xlink:to="lab_dei_EntityCentralIndexKey_972A1D8D43DE99B5F1BD6C91A5DD1937" xlink:type="arc"/>

<link:label id="lab_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>

<link:label id="lab_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33" xlink:to="lab_dei_CurrentFiscalYearEndDate_8EB9AF4DEBB6BB1EB0B96C91A5DD3B33" xlink:type="arc"/>

<link:label id="lab_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>

<link:label id="lab_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297_label_en-US" xlink:label="lab_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297" xlink:to="lab_dei_EntityFilerCategory_A75E8F9E8CD75A9AC2456C91A5DD9297" xlink:type="arc"/>

<link:label id="lab_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878_terseLabel_en-US" xlink:label="lab_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document Type </link:label>

<link:label id="lab_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878_label_en-US" xlink:label="lab_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Type </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878" xlink:to="lab_dei_DocumentType_26D05779E641F7ABDF5F6C91A5DD2878" xlink:type="arc"/>

<link:label id="lab_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document Period End Date </link:label>

<link:label id="lab_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Period End Date </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC" xlink:to="lab_dei_DocumentPeriodEndDate_E4E3C6D54AB2C82EA2C56C91A5DE31AC" xlink:type="arc"/>

<link:label id="lab_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document Fiscal Year Focus </link:label>

<link:label id="lab_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Year Focus </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8" xlink:to="lab_dei_DocumentFiscalYearFocus_FBCDCD5AD829087C81756C91A5DE93A8" xlink:type="arc"/>

<link:label id="lab_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document Fiscal Period Focus (Q1,Q2,Q3,FY) </link:label>

<link:label id="lab_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Period Focus </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940" xlink:to="lab_dei_DocumentFiscalPeriodFocus_994EF5013A7964B5A00F6C91A5DE0940" xlink:type="arc"/>

<link:label id="lab_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>

<link:label id="lab_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3_label_en-US" xlink:label="lab_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3" xlink:to="lab_dei_TradingSymbol_EF4EC955B64EE13B634A6C91A5DE59C3" xlink:type="arc"/>

<link:label id="lab_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amendment Flag </link:label>

<link:label id="lab_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A_label_en-US" xlink:label="lab_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amendment Flag </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A" xlink:to="lab_dei_AmendmentFlag_E140F1BCD75E607F26B76C91A5DEA38A" xlink:type="arc"/>

<link:label id="lab_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>

<link:label id="lab_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_EF9A02EF4788FD3B4A556C91A5DF3E5E" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_23F03F5B2D4134BAE58716DDBACEA1DD" xlink:type="arc"/>

<link:label id="lab_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354_terseLabel_en-US" xlink:label="lab_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Internet Domain Names </link:label>

<link:label id="lab_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354_label_en-US" xlink:label="lab_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Internet Domain Names [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InternetDomainNamesMember" xlink:label="loc_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354" xlink:to="lab_us-gaap_InternetDomainNamesMember_4BC39BF94328ECD5486D16E39C17C354" xlink:type="arc"/>

<link:label id="lab_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>

<link:label id="lab_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928" xlink:to="lab_us-gaap_SubsequentEventTypeAxis_43384814F4A42641FD6F16DDBACEE928" xlink:type="arc"/>

<link:label id="lab_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>

<link:label id="lab_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D" xlink:to="lab_us-gaap_SubsequentEventTypeDomain_AF7D462819659C116CF816DDBACE878D" xlink:type="arc"/>

<link:label id="lab_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label>

<link:label id="lab_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF" xlink:to="lab_us-gaap_SubsequentEventMember_A0951B5B9B8E78E40F3516DDBACF25AF" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Axis] </link:label>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_B1D607C2D9077BADA5A416DDBACFD705" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Domain] </link:label>

<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_F1401B61915E7921D47116DDBACF5C4B" xlink:type="arc"/>

<link:label id="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA_terseLabel_en-US" xlink:label="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AutoMD </link:label>

<link:label id="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA_label_en-US" xlink:label="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Auto Md [Member] </link:label>

<link:label id="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA_documentation_en-US" xlink:label="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Auto MD [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_AutoMdMember" xlink:label="loc_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:to="lab_prts_AutoMdMember_A67712DB907216C9F99C16DDBACFD4CA" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label>

<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupClassificationAxis" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51" xlink:to="lab_us-gaap_DisposalGroupClassificationAxis_A678A807EEECB66760A316DDBACF8D51" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Domain] </link:label>

<link:label id="lab_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupClassificationDomain" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293" xlink:to="lab_us-gaap_DisposalGroupClassificationDomain_16A01BEA0D38D9C803FE16DDBAD07293" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations, Disposed of by Means Other than Sale </link:label>

<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6_label_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6" xlink:to="lab_us-gaap_SegmentDiscontinuedOperationsMember_0F741216451226A0E21016DDBAD0A3F6" xlink:type="arc"/>

<link:label id="lab_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations, Disposed of by Sale </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations, Disposed of by Sale [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA" xlink:to="lab_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2870A2505D4F5F1043AA16DDBAD027AA" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6AFB29BC46BC8160E27C16DDBAD1E603" xlink:type="arc"/>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9_terseLabel_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Severance costs </link:label>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9_label_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Severance Costs </link:label>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9_documentation_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Severance Costs </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts" xlink:label="loc_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:to="lab_prts_DisposalGroupIncludingDiscontinuedOperationSeveranceCosts_831A56EDE011FA3DAEC316DDBAD1B9E9" xlink:type="arc"/>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D_terseLabel_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract termination cost </link:label>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D_label_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Contract Termination Costs </link:label>

<link:label id="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D_documentation_en-US" xlink:label="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Contract Termination Costs </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts" xlink:label="loc_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:to="lab_prts_DisposalGroupIncludingDiscontinuedOperationContractTerminationCosts_39756D38606BCEE864AB16DDBAD10F4D" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Loss from operations </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Income (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3AF290760BCF11D8741116DDBAD1957F" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net loss attributable to noncontrolling interest </link:label>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_00129F755D640BA1214D16DDBAD1507C" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from assets sold </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Consideration </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_D8BD7FD75BC990F55F2816DDBAD2CFCC" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ASSETS </link:label>

<link:label id="lab_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16" xlink:to="lab_us-gaap_AssetsAbstract_50DDEC933CEA761F162E1A2D73B97D16" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets: </link:label>

<link:label id="lab_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8" xlink:to="lab_us-gaap_AssetsCurrentAbstract_639808F1EB5F6943771D1A2D73B922D8" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0101FFE0BBCC8925A111A2D73B95ADC_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0101FFE0BBCC8925A111A2D73B95ADC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0101FFE0BBCC8925A111A2D73B95ADC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0101FFE0BBCC8925A111A2D73B95ADC" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0101FFE0BBCC8925A111A2D73B95ADC" xlink:type="arc"/>

<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF_verboseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Short-term investments </link:label>

<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Securities, Available-for-sale, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_9FA0DB32B038518958FB1A2D73BAD7EF" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net </link:label>

<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Net, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_CA6146436955C437A1691A2D73BA048B" xlink:type="arc"/>

<link:label id="lab_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory </link:label>

<link:label id="lab_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84_label_en-US" xlink:label="lab_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84" xlink:to="lab_us-gaap_InventoryNet_94CD6830BE6D0D2F09821A2D73BA1E84" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>

<link:label id="lab_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537" xlink:to="lab_us-gaap_OtherAssetsCurrent_87872D52C02E26C6FBA51A2D73BA2537" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>

<link:label id="lab_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C" xlink:to="lab_us-gaap_AssetsCurrent_C6A871187C40A78147701A2D73BB4B6C" xlink:type="arc"/>

<link:label id="lab_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>

<link:label id="lab_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Assets, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A" xlink:to="lab_us-gaap_DeferredIncomeTaxAssetsNet_CC55DBE3571EEE87355A1A2D73BB1B9A" xlink:type="arc"/>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_36B71DBEB807975F2D2B1A2D73C0B1F9" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_57763BF0B5742737BBD31A2D73C09AE3_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_57763BF0B5742737BBD31A2D73C09AE3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Intangible assets, net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_57763BF0B5742737BBD31A2D73C09AE3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_57763BF0B5742737BBD31A2D73C09AE3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_57763BF0B5742737BBD31A2D73C09AE3" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-current assets </link:label>

<link:label id="lab_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_0F780385E6219AD4E4611A2D73C1A066" xlink:type="arc"/>

<link:label id="lab_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>

<link:label id="lab_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C_label_en-US" xlink:label="lab_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C" xlink:to="lab_us-gaap_Assets_8F69EA0DF17B086DBED41A2D73C18E7C" xlink:type="arc"/>

<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIABILITIES AND STOCKHOLDERS’ EQUITY </link:label>

<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DD230DD450D12BD1BE951A2D73C1DFE5" xlink:type="arc"/>

<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities: </link:label>

<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_56FE696A98ACB22D9EB01A2D73C15ADD" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>

<link:label id="lab_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E" xlink:to="lab_us-gaap_AccountsPayableCurrent_43A3A1E432D60D4598C71A2D73C2458E" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued expenses </link:label>

<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent_2F3181CD493357B750C31A2D73C274FE" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current portion of capital leases payable </link:label>

<link:label id="lab_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E_label_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Lease Obligations, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E" xlink:to="lab_us-gaap_CapitalLeaseObligationsCurrent_5323F03518EF774D2AB51A2D73C2E48E" xlink:type="arc"/>

<link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer deposits </link:label>

<link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityCurrent_BCA95D6B3EE4F5F07FAD1A2D73C25E0D" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current liabilities </link:label>

<link:label id="lab_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1" xlink:to="lab_us-gaap_OtherLiabilitiesCurrent_07A2FCEF47AA07840C651A2D73C30BE1" xlink:type="arc"/>

<link:label id="lab_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>

<link:label id="lab_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8" xlink:to="lab_us-gaap_LiabilitiesCurrent_4CC88C49812BD1B6CB181A2D73C306E8" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leases payable, net of current portion </link:label>

<link:label id="lab_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE_label_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Lease Obligations, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE" xlink:to="lab_us-gaap_CapitalLeaseObligationsNoncurrent_539A0AABE9FEF4E471E61A2D73C325AE" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-current liabilities </link:label>

<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_7EA3DCF06CEA05F752A01A2D73C3CD22" xlink:type="arc"/>

<link:label id="lab_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities </link:label>

<link:label id="lab_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86_label_en-US" xlink:label="lab_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86" xlink:to="lab_us-gaap_Liabilities_F64A1564F4A9A9588D1C1A2D73C37F86" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies </link:label>

<link:label id="lab_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD" xlink:to="lab_us-gaap_CommitmentsAndContingencies_18E44D62797D0BAE0A3A1A2D73C3A2FD" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders’ equity: </link:label>

<link:label id="lab_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40" xlink:to="lab_us-gaap_StockholdersEquityAbstract_D8DB51196C6AC0978F491A2D73C41E40" xlink:type="arc"/>

<link:label id="lab_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series A convertible preferred stock, $0.001 par value; $1.45 per share liquidation value or aggregate of $6,017; 4,150 shares authorized; 2,771 shares issued and outstanding at both June 30, 2018 and December 30, 2017 </link:label>

<link:label id="lab_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6_label_en-US" xlink:label="lab_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Outstanding </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValueOutstanding" xlink:label="loc_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6" xlink:to="lab_us-gaap_PreferredStockValueOutstanding_148A99662182FD04FFE61A2D73C448E6" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, $0.001 par value; 100,000 shares authorized; 34,973 and 34,666 shares issued and outstanding at June 30, 2018 and December 30, 2017 (of which 2,525 are treasury stock) </link:label>

<link:label id="lab_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576" xlink:to="lab_us-gaap_CommonStockValue_BC894EC5E3BBB902175E1A2D73C4C576" xlink:type="arc"/>

<link:label id="lab_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock </link:label>

<link:label id="lab_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE" xlink:to="lab_us-gaap_TreasuryStockValue_4D008CBE3199A5C848601A2D73C449AE" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>

<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital, Common Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_33D1E8F5197295EC50F41A2D73C52F32" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income </link:label>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_31B7E4D31A0BBCF708971A2D73C5FD70" xlink:type="arc"/>

<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_EF44F426A187480838451A2D73C57991_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_EF44F426A187480838451A2D73C57991" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated deficit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_EF44F426A187480838451A2D73C57991" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_EF44F426A187480838451A2D73C57991" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_EF44F426A187480838451A2D73C57991" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders’ equity </link:label>

<link:label id="lab_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B" xlink:to="lab_us-gaap_StockholdersEquity_727CD5155A7825FA81571A2D73C54B8B" xlink:type="arc"/>

<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities and stockholders’ equity </link:label>

<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_FD6E5FFE3A537A6084131A2D73C5151F" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_5BEBB5E4D034CA4842026C91A53AF4F6_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_5BEBB5E4D034CA4842026C91A53AF4F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_5BEBB5E4D034CA4842026C91A53AF4F6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_5BEBB5E4D034CA4842026C91A53AF4F6" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_5BEBB5E4D034CA4842026C91A53AF4F6" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_34CD04EF8C6789AD1DCC6C91A53AF91B" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C7B94B5F4D077F6E8FEE6C91A53B43AD" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_C901A25C3B071963976C6C91A53B26FC" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_3320996DCC9E743160346C91A53BFE59" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4104C79ECD284B2AAD486C91A53B44EF" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, after Year Five </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_CB8AC4D585BC9924431D6C91A53B16BD" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Sales </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Revenue </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_C98BC1B6C0EE037034C3109A923C53C8" xlink:type="arc"/>

<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss from operations and disposal of discontinued AutoMD operations </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_CB4646530E5637AB898B109A923D1989" xlink:type="arc"/>

<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax provision </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Tax Effect of Discontinued Operation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135" xlink:to="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_00847FF80F80B05096BF109A923D0135" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss on discontinued operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3C2DCCCE6477E9630D78109A923EC415" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Intangible Assets </link:label>

<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_522B369ECDCA8711E9196C91A56B2551" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Future Estimated Annual Amortization Expense </link:label>

<link:label id="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51_label_en-US" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51" xlink:to="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_AF75F9E5F34D017766006C91A56BEF51" xlink:type="arc"/>

<link:label id="lab_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Facility rent expense </link:label>

<link:label id="lab_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Rent Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7" xlink:to="lab_us-gaap_LeaseAndRentalExpense_ECC3722245CDB53D1773109A926304C7" xlink:type="arc"/>

<link:label id="lab_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fees associated with unreleased product </link:label>

<link:label id="lab_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE_label_en-US" xlink:label="lab_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Loss in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingencyLossInPeriod" xlink:label="loc_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE" xlink:to="lab_us-gaap_LossContingencyLossInPeriod_426EDE807DEBCF388E4810C1C56119CE" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>

<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_CA54153A81A4A38F5D366C91A607C69B" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeStatementAbstract_92412C22F2D52A81D2881A2D737C5132_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_92412C22F2D52A81D2881A2D737C5132" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_92412C22F2D52A81D2881A2D737C5132" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_92412C22F2D52A81D2881A2D737C5132" xlink:to="lab_us-gaap_IncomeStatementAbstract_92412C22F2D52A81D2881A2D737C5132" xlink:type="arc"/>

<link:label id="lab_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net sales </link:label>

<link:label id="lab_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98_label_en-US" xlink:label="lab_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98" xlink:to="lab_us-gaap_Revenues_C4A8B364987201735BA81A2D737C0D98" xlink:type="arc"/>

<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of sales </link:label>

<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold_B773C6F2EBFE949B9BF31A2D737CA3F5" xlink:type="arc"/>

<link:label id="lab_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>

<link:label id="lab_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A_label_en-US" xlink:label="lab_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A" xlink:to="lab_us-gaap_GrossProfit_60FFD5EE3B2A813ABDA31A2D737CFF1A" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating expenses: </link:label>

<link:label id="lab_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A" xlink:to="lab_us-gaap_OperatingExpensesAbstract_7F74F20C322C60D1C3971A2D737D781A" xlink:type="arc"/>

<link:label id="lab_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50_terseLabel_en-US" xlink:label="lab_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Marketing </link:label>

<link:label id="lab_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50_label_en-US" xlink:label="lab_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketing Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketingExpense" xlink:label="loc_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50" xlink:to="lab_us-gaap_MarketingExpense_4EF3E341DC0170273D1B1A2D737DDB50" xlink:type="arc"/>

<link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> General and administrative </link:label>

<link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3_label_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General and Administrative Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3" xlink:to="lab_us-gaap_GeneralAndAdministrativeExpense_6331B26E1BB7EA35A80F1A2D737D9EB3" xlink:type="arc"/>

<link:label id="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5_terseLabel_en-US" xlink:label="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fulfillment </link:label>

<link:label id="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5_label_en-US" xlink:label="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fulfillment Cost </link:label>

<link:label id="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5_documentation_en-US" xlink:label="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fulfillment costs consist primarily of payroll and related costs associated with our warehouse employees and our purchasing group, facility rent, building maintenance, depreciation and other costs associated with inventory management and our wholesale operations. Fulfillment costs also include amounts paid to third parties that assist us in fulfillment and customer service operations. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_FulfillmentCost" xlink:label="loc_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:to="lab_prts_FulfillmentCost_E7B6561F99DB880EC39C1A2D737DE3E5" xlink:type="arc"/>

<link:label id="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9_terseLabel_en-US" xlink:label="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Technology </link:label>

<link:label id="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9_label_en-US" xlink:label="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Technology Expense </link:label>

<link:label id="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9_documentation_en-US" xlink:label="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Technology expense consists primarily of payroll and related expenses of our information technology personnel, the cost of hosting our servers, communications expenses and internet connectivity costs, computer support and software development. </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_TechnologyExpense" xlink:label="loc_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:to="lab_prts_TechnologyExpense_BC6711667340090DCB301A2D737D32E9" xlink:type="arc"/>

<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of intangible assets </link:label>

<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_42E836B217A36F73EDAF1A2D737EF000" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>

<link:label id="lab_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D" xlink:to="lab_us-gaap_OperatingExpenses_EBBDD2F106EA7EAAC2141A2D737E6D4D" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from operations </link:label>

<link:label id="lab_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063" xlink:to="lab_us-gaap_OperatingIncomeLoss_4FC96493C0B1847523EB1A2D737EF063" xlink:type="arc"/>

<link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other income (expense): </link:label>

<link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract_F1C34BF6B0FAF12A95B41A2D737E8E15" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>

<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_72A704D51ED3E073ACCF1A2D737E4967" xlink:type="arc"/>

<link:label id="lab_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>

<link:label id="lab_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2_label_en-US" xlink:label="lab_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2" xlink:to="lab_us-gaap_InterestExpense_B1500EF9F181A9FBF4D21A2D737F3FC2" xlink:type="arc"/>

<link:label id="lab_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other expense, net </link:label>

<link:label id="lab_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0" xlink:to="lab_us-gaap_NonoperatingIncomeExpense_1EE3F4D384388A22C2291A2D737F16D0" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_B3F0ADC2FB74D65EEE0D1A2D737F141B" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax provision </link:label>

<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_C6D8C3B03EFF3AB9F6A11A2D737F107F" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_13223406C3BB05DFC48D1A2D737F19B4_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_13223406C3BB05DFC48D1A2D737F19B4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> (Loss) income from continuing operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_13223406C3BB05DFC48D1A2D737F19B4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_13223406C3BB05DFC48D1A2D737F19B4" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperations_13223406C3BB05DFC48D1A2D737F19B4" xlink:type="arc"/>

<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued operations </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_1DE7529DF8EFA5CB47B21A2D73800D49" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_E86DBC8195D98C1F150D1A2D7381366F_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_E86DBC8195D98C1F150D1A2D7381366F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Loss on discontinued operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_E86DBC8195D98C1F150D1A2D7381366F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_E86DBC8195D98C1F150D1A2D7381366F" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_E86DBC8195D98C1F150D1A2D7381366F" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetIncomeLoss_3A7424E0A0A50F379EAB1A2D73817F53_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_3A7424E0A0A50F379EAB1A2D73817F53" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net (loss) income </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_3A7424E0A0A50F379EAB1A2D73817F53" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_3A7424E0A0A50F379EAB1A2D73817F53" xlink:to="lab_us-gaap_NetIncomeLoss_3A7424E0A0A50F379EAB1A2D73817F53" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss): </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_E1389BD2C8CE1730C51F1A2D73814666" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustments </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7" xlink:to="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_C8DC0E34BA3C58663FC31A2D7381F9D7" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other comprehensive income (loss) </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_056BA489627AB9C0FDD71A2D7382BCD5" xlink:type="arc"/>

<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive (loss) income </link:label>

<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_6761260C1E22598B0D641A2D73820180" xlink:type="arc"/>

<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B359CA114209106F44EC1A2D7382F9A4_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B359CA114209106F44EC1A2D7382F9A4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> (Loss) income from continuing operations per share: </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B359CA114209106F44EC1A2D7382F9A4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B359CA114209106F44EC1A2D7382F9A4" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B359CA114209106F44EC1A2D7382F9A4" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_35F6CB5024D432A50EBA1A2D738212BD_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_35F6CB5024D432A50EBA1A2D738212BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basic (loss) income from continuing operations per share (in usd per share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_35F6CB5024D432A50EBA1A2D738212BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_35F6CB5024D432A50EBA1A2D738212BD" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_35F6CB5024D432A50EBA1A2D738212BD" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_E7FF17478F6A2140E1441A2D73839FE1_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_E7FF17478F6A2140E1441A2D73839FE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (loss) income from continuing operations per share (in usd per share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_E7FF17478F6A2140E1441A2D73839FE1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_E7FF17478F6A2140E1441A2D73839FE1" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_E7FF17478F6A2140E1441A2D73839FE1" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding: </link:label>

<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding Reconciliation [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_498B6BDFDE0350581A311A2D73838B6F" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B1347C73D6D81DAF0CC01A2D73838891_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B1347C73D6D81DAF0CC01A2D73838891" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Shares used in computation of basic (loss) income from continuing operations per share (in shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B1347C73D6D81DAF0CC01A2D73838891" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B1347C73D6D81DAF0CC01A2D73838891" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B1347C73D6D81DAF0CC01A2D73838891" xlink:type="arc"/>

<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2046126517BE48F747541A2D738430DA_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2046126517BE48F747541A2D738430DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares used in computation of diluted (loss) income from continuing operations per share (in shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2046126517BE48F747541A2D738430DA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2046126517BE48F747541A2D738430DA" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2046126517BE48F747541A2D738430DA" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_D15A651E6CA7886DFA516C91A58EC91B" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, beginning balance (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AD061552ED3525D997986C91A58E6485" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Awarded (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2FEFD545588B459C9A406C91A58ED3B3" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E1E025FDF659D02437FD6C91A58E0B4A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E1E025FDF659D02437FD6C91A58E0B4A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E1E025FDF659D02437FD6C91A58E0B4A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E1E025FDF659D02437FD6C91A58E0B4A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E1E025FDF659D02437FD6C91A58E0B4A" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF08374989ACE180DD196C91A58FBE01" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_83C702D692056ACBA3106C91A58F9C52_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_83C702D692056ACBA3106C91A58F9C52" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, ending balance (in shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_83C702D692056ACBA3106C91A58F9C52" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_83C702D692056ACBA3106C91A58F9C52" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_83C702D692056ACBA3106C91A58F9C52" xlink:type="arc"/>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2_terseLabel_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, ending balance (in shares) </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2_label_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Number </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2_documentation_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Number </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber" xlink:label="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:to="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestNumber_EB225C796910ADD8FCF86C91A58F67B2" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Exercise Price </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_A2B646247B88A997F5CD6C91A58F683E" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, weighted average exercise price, beginning balance (in usd per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_88B723A3EEC71969850E6C91A58F3E7E" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Awarded, weighted average exercise price (in usd per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EBC136E3EE75E73F4B5E6C91A5900308" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested, weighted average exercise price (in usd per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_E2C81B0E6626882DEECA6C91A5907278" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited, weighted average exercise price (in usd per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5636045ADC89157F66EF6C91A5902448" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_51512B6113A64AD739C46C91A5902E90_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_51512B6113A64AD739C46C91A5902E90" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, weighted average exercise price, ending balance (in usd per share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_51512B6113A64AD739C46C91A5902E90" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_51512B6113A64AD739C46C91A5902E90" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_51512B6113A64AD739C46C91A5902E90" xlink:type="arc"/>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866_terseLabel_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, weighted average exercise price, ending balance (in usd per share) </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866_label_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Weighted Average Grant Date Fair Value </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866_documentation_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue" xlink:label="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:to="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageGrantDateFairValue_B54D037CD80658944EA06C91A5900866" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_EF02B20155DC18CBCDA86C91A5915986" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, weighted average remaining contractual term (in years) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4BEC812F348B6B9ADB166C91A591284E" xlink:type="arc"/>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3_terseLabel_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, weighted average remaining contractual term (in years) </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3_label_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Weighted Average Remaining Contractual Terms </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3_documentation_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Weighted Average Remaining Contractual Terms </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms" xlink:label="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:to="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedandExpectedtoVestWeightedAverageRemainingContractualTerms_74B3364E0DAECCC9DAD26C91A591BCD3" xlink:type="arc"/>

<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Awards outstanding, aggregate intrinsic value </link:label>

<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_9C87CA505F714EA6604A6C91A59117CD" xlink:type="arc"/>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA_terseLabel_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, aggregate intrinsic value </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA_label_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested and Expected to Vest </link:label>

<link:label id="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA_documentation_en-US" xlink:label="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested and Expected to Vest </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest" xlink:label="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:to="lab_prts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueVestedandExpectedtoVest_9DDE6B7E96BC64D7E1766C91A59160DA" xlink:type="arc"/>

<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_04DA0405BE351EE1810FCCD3245EEFED_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_04DA0405BE351EE1810FCCD3245EEFED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense relating to intangible assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_04DA0405BE351EE1810FCCD3245EEFED" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_04DA0405BE351EE1810FCCD3245EEFED" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_04DA0405BE351EE1810FCCD3245EEFED" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Discontinued Operations </link:label>

<link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734" xlink:to="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_2D8C99A50B77EB3F5E9E6C91A59BD734" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Future Minimum Lease Payments under Non-Cancellable Operating Leases </link:label>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD" xlink:to="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_8741E53BFD1C8D29E5506C91A4985DCD" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Capital Lease Commitments </link:label>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D" xlink:to="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_25E04D3F59D3D5CB8F106C91A498254D" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>

<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_F26EDDE225F79B01F7866C91A42F09A1" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Axis] </link:label>

<link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977" xlink:to="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_CDCCAC37B8337A56F8176C91A430F977" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Domain] </link:label>

<link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF" xlink:to="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7B3E0C03D26BAB8B84516C91A430A4AF" xlink:type="arc"/>

<link:label id="lab_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Product Line </link:label>

<link:label id="lab_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169_label_en-US" xlink:label="lab_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Product Line [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SalesRevenueProductLineMember" xlink:label="loc_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169" xlink:to="lab_us-gaap_SalesRevenueProductLineMember_C9DD05130959F4E88A006C91A4300169" xlink:type="arc"/>

<link:label id="lab_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product and Service [Axis] </link:label>

<link:label id="lab_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E" xlink:to="lab_srt_ProductOrServiceAxis_0E6ED42912C3F8019ADC6C91A431094E" xlink:type="arc"/>

<link:label id="lab_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>

<link:label id="lab_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD" xlink:to="lab_srt_ProductsAndServicesDomain_CEC0DE88FB2D795E2E126C91A43128BD" xlink:type="arc"/>

<link:label id="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD_terseLabel_en-US" xlink:label="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Private Label, Collision </link:label>

<link:label id="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD_label_en-US" xlink:label="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Private Label Collision [Member] </link:label>

<link:label id="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD_documentation_en-US" xlink:label="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Private Label Collision [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PrivateLabelCollisionMember" xlink:label="loc_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:to="lab_prts_PrivateLabelCollisionMember_324BDD0EC4AB87C3D3416C91A43178AD" xlink:type="arc"/>

<link:label id="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3_terseLabel_en-US" xlink:label="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Private Label, Engine </link:label>

<link:label id="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3_label_en-US" xlink:label="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Private Label Engine [Member] </link:label>

<link:label id="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3_documentation_en-US" xlink:label="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Private Label Engine [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PrivateLabelEngineMember" xlink:label="loc_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:to="lab_prts_PrivateLabelEngineMember_5AAA077337854ADF162D6C91A4325AB3" xlink:type="arc"/>

<link:label id="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908_terseLabel_en-US" xlink:label="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Private Label, Performance </link:label>

<link:label id="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908_label_en-US" xlink:label="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Private Label Performance [Member] </link:label>

<link:label id="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908_documentation_en-US" xlink:label="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Private Label Performance [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_PrivateLabelPerformanceMember" xlink:label="loc_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:to="lab_prts_PrivateLabelPerformanceMember_6AEB3C8AE17E73F73AFC6C91A432B908" xlink:type="arc"/>

<link:label id="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198_terseLabel_en-US" xlink:label="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Branded, Collision </link:label>

<link:label id="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198_label_en-US" xlink:label="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Branded Collision [Member] </link:label>

<link:label id="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198_documentation_en-US" xlink:label="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Branded Collision [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_BrandedCollisionMember" xlink:label="loc_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:to="lab_prts_BrandedCollisionMember_C2331EA24750229B14B76C91A432E198" xlink:type="arc"/>

<link:label id="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165_terseLabel_en-US" xlink:label="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Branded, Engine </link:label>

<link:label id="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165_label_en-US" xlink:label="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Branded Engine [Member] </link:label>

<link:label id="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165_documentation_en-US" xlink:label="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Branded Engine [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_BrandedEngineMember" xlink:label="loc_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:to="lab_prts_BrandedEngineMember_E98F065240B4CDF39A6A6C91A4325165" xlink:type="arc"/>

<link:label id="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D_terseLabel_en-US" xlink:label="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Branded, Performance </link:label>

<link:label id="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D_label_en-US" xlink:label="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Branded Performance [Member] </link:label>

<link:label id="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D_documentation_en-US" xlink:label="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Branded Performance [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_BrandedPerformanceMember" xlink:label="loc_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:to="lab_prts_BrandedPerformanceMember_AA029EDB34A5952FFBB76C91A432B25D" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Axis] </link:label>

<link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385" xlink:to="lab_us-gaap_ConcentrationRiskByTypeAxis_747F902CFD0670A5BB7E6C91A4330385" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Domain] </link:label>

<link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75" xlink:to="lab_us-gaap_ConcentrationRiskTypeDomain_37EC5C56372F245E047B6C91A4332A75" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D_terseLabel_en-US" xlink:label="lab_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product Concentration Risk </link:label>

<link:label id="lab_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D_label_en-US" xlink:label="lab_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Concentration Risk [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D" xlink:to="lab_us-gaap_ProductConcentrationRiskMember_735C8A7BF356F1B8976D6C91A433440D" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>

<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_34829C1A027904A9AF9F6C91A4349D24" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>

<link:label id="lab_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA" xlink:to="lab_us-gaap_SegmentDomain_549FA2B9316437FDCD326C91A4349ADA" xlink:type="arc"/>

<link:label id="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A_terseLabel_en-US" xlink:label="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base USAP </link:label>

<link:label id="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A_label_en-US" xlink:label="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Base Usap [Member] </link:label>

<link:label id="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A_documentation_en-US" xlink:label="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Base Usap [Member] </link:label>

<link:loc xlink:href="prts-20180630.xsd#prts_BaseUsapMember" xlink:label="loc_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:to="lab_prts_BaseUsapMember_7D744E3B5CC1A8273A256C91A4340B0A" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>

<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems_EB266C15E133FB84836F6C91A434AA32" xlink:type="arc"/>

<link:label id="lab_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration risk percentage </link:label>

<link:label id="lab_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk, Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB" xlink:to="lab_us-gaap_ConcentrationRiskPercentage1_A6DACD39570E5AF0FF386C91A4359BAB" xlink:type="arc"/>

</link:labelLink>

</link:linkbase>

4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/08/24  CarParts.com, Inc.                10-K       12/30/23   70:8.5M
 3/08/23  CarParts.com, Inc.                10-K       12/31/22   70:8.5M
 3/02/22  CarParts.com, Inc.                10-K        1/01/22   69:9.2M
 3/16/21  CarParts.com, Inc.                10-K        1/02/21   68:8.2M                                   Toppan Merrill Bridge/FA

↑Top