    <SEC-DOCUMENT>0001378950-19-000011-index.html : 20190410
    <SEC-HEADER>0001378950-19-000011.hdr.sgml : 20190410
    <ACCEPTANCE-DATETIME>20190409173604
    ACCESSION NUMBER:		0001378950-19-000011
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20190522
    FILED AS OF DATE:		20190410
    DATE AS OF CHANGE:		20190409
    EFFECTIVENESS DATE:		20190410

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			U.S. Auto Parts Network, Inc.
    		CENTRAL INDEX KEY:			0001378950
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO & HOME SUPPLY STORES [5531]
    		IRS NUMBER:				680623433
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1229

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33264
    		FILM NUMBER:		19740203

    	BUSINESS ADDRESS:
    		STREET 1:		16941 KEEGAN AVE
    		CITY:			CARSON
    		STATE:			CA
    		ZIP:			90746
    		BUSINESS PHONE:		(310) 735-0085

    	MAIL ADDRESS:
    		STREET 1:		16941 KEEGAN AVE
    		CITY:			CARSON
    		STATE:			CA
    		ZIP:			90746
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>prts-20190522xdef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: prts-20190522xdef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>prts20190522xdef14a001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: prts20190522xdef14a001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>prts20190522xdef14a002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: prts20190522xdef14a002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>prts20190522xdef14a003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: prts20190522xdef14a003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>prts20190522xdef14a004.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: prts20190522xdef14a004.gif

    </DOCUMENT>
    </SEC-DOCUMENT>