Exhibit 10.2

SECOND AMENDMENT TO CREDIT AGREEMENT

THIS SECOND AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of March 25, 2013, is entered into by and among U.S. AUTO PARTS NETWORK, INC., a Delaware corporation (“Company”), PARTSBIN, INC., a Delaware corporation (“PartsBin”), LOCAL BODY SHOPS, INC., a Delaware corporation (“Local Body Shops”), PRIVATE LABEL PARTS, INC., a Delaware corporation (“Private Label Parts”), WHITNEY AUTOMOTIVE GROUP, INC., a Delaware corporation (“Whitney Auto”, and together with the Company, PartsBin, Local Body Shops and Private Label Parts, collectively, “Borrowers” and each individually a “Borrower”), the other Loan Parties party hereto, the Lenders (as defined below) party hereto, and JPMORGAN CHASE BANK, N.A., as administrative agent for the Lenders (in such capacity, “Administrative Agent”).

RECITALS

AGREEMENT

NOW, THEREFORE, in consideration of the foregoing and the mutual covenants herein contained, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows:

1. Amendments to Credit Agreement.

“ ‘Certificate of Designation’ means that certain Certificate of Designation, Preferences and Rights of the Series A Convertible Preferred Stock to be filed with the Secretary of State of the State of Delaware on or about the Second Amendment Effective Date, in the form delivered to Administrative Agent prior to the Second Amendment Effective Date.”

“ ‘Second Amendment Effective Date’ means March 25, 2013.”

“ ‘Specified Financing Documents’ means, collectively: (a) that certain Securities Purchase Agreement, dated on or about the Second Amendment Effective Date, by and among the Company and the purchasers party thereto, together with all schedules and exhibits thereto, in each case, in the forms delivered to Administrative Agent prior to the Second Amendment Effective Date, and (b) the Certificate of Designation.”

“ ‘Change in Control’ means (a) the acquisition of ownership, directly or indirectly, beneficially or of record, by any Person or group (within the meaning of the Securities Exchange Act of 1934 and the rules of the Securities and Exchange Commission thereunder as in effect on the date hereof), of Equity Interests representing more than 40% of the aggregate ordinary voting power represented by the issued and outstanding Equity Interests of the Company; (b) occupation of a majority of the seats (other than vacant seats) on the board of directors of the Company by Persons who were neither (i) nominated by the board of directors of the Company nor (ii) appointed by directors so nominated; (c) the acquisition of direct or indirect Control of the Company by any Person or group; (d) the Company shall cease to own, free and clear of all Liens or other encumbrances, 100% of the outstanding voting Equity Interests of the other Loan Parties on a fully diluted basis, unless such cessation of ownership is the result of a transaction that is otherwise permitted by this Agreement; or (e) a “Change of Control” as defined in the Certificate of Designation shall occur.”

“(a) No Loan Party will, nor will it permit any Subsidiary to, declare or make, or agree to pay or make, directly or indirectly, any Restricted Payment, or incur any obligation (contingent or otherwise) to do so, except (i) each of the Loan Parties and their Subsidiaries may declare and pay dividends with respect to its common stock payable in additional shares of its common stock, and, with respect to its preferred stock, payable in additional shares of such preferred stock or in shares of its common stock, (ii) the Borrowers may make Restricted Payments, not exceeding $1,000,000 during any fiscal year of the Company, pursuant to and in accordance with stock option plans or other benefit plans for management or employees of the Borrowers and their Subsidiaries, (iii) (A) any Borrower or Guarantor may make Restricted Payments to a Borrower, (B) any Guarantor may make Restricted Payments to another Guarantor and (C) any Subsidiary that is not a Loan Party may make Restricted Payments to a Loan Party, (iv) the Company may pay cash dividends to the holders of its Series A Convertible Preferred Stock in accordance with the terms of the Specified Financing Documents, so long as (A) no Default has occurred and is continuing or would result from any such dividend, (B) both before and after giving effect to any such dividend, the Borrowers shall have Excess Availability of at least $8,000,000, and (C) the aggregate amount of all such dividends in any calendar year shall not exceed $400,000; provided, however, that Borrowers acknowledge and agree that Administrative Agent may, in its sole discretion, establish a Reserve in an amount up to $400,000 on account of future potential dividends under this clause (iv), (v) the Company may make cash payments in lieu of the issuance of fractional shares of common stock of the Company in connection with: (A) the

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conversion of any of its Series A Convertible Preferred Stock to common stock of the Company in accordance with the terms of the Specified Financing Documents, and (B) the issuance of any common stock of the Company as a dividend in accordance with the terms of the Specified Financing Documents, in an aggregate amount for clauses (A) and (B) not to exceed $5,000 for all such payments in any calendar year, and (vi) any other Restricted Payments, so long as (A) no Default has occurred and is continuing or would result from any such Restricted Payment, (B) both before and after giving effect to any such Restricted Payment, the Borrowers shall have Excess Availability of at least $8,000,000 and (C) immediately after giving effect to any such Restricted Payment, the Borrowers shall have a Fixed Charge Coverage Ratio, recomputed on a trailing twelve (12) month pro forma basis for the most recent month for which financial statements have been delivered, of no less than 1.15 to 1.0.”

“(i) the issuance of securities and such other transactions performed in accordance with the Specified Financing Documents.”

“(b) its certificate of incorporation (other than pursuant to the Certificate of Designation), by-laws, operating, management or partnership agreement or other organizational documents, to the extent any such amendment, modification or waiver would be adverse to the Lenders.”

2. Conditions Precedent to Effectiveness of this Amendment. The following shall have occurred before this Amendment is effective:

3. Representations and Warranties. Each Borrower and each other Loan Party represents and warrants as follows:

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4. Choice of Law. The validity of this Amendment, its construction, interpretation and enforcement, the rights of the parties hereunder, shall be determined under, governed by, and construed in accordance with the laws of the State of New York, but without giving effect to any federal laws applicable to national banks.

5. Counterparts. This Amendment may be executed in any number of counterparts and by different parties and separate counterparts, each of which when so executed and delivered, shall be deemed an original, and all of which, when taken together, shall constitute one and the same instrument. Delivery of an executed counterpart of a signature page to this Amendment by telefacsimile shall be effective as delivery of a manually executed counterpart of the Amendment.

6. Reference to and Effect on the Loan Documents.

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7. Ratification. Each Borrower and each other Loan Party hereby restates, ratifies and reaffirms each and every term and condition set forth in the Credit Agreement, as amended hereby, and the Loan Documents effective as of the date hereof.

8. Estoppel. To induce Administrative Agent and Lenders to enter into this Amendment and to induce Administrative Agent and the Lenders to continue to make advances to Borrowers under the Credit Agreement, each Borrower and each other Loan Party hereby acknowledges and agrees that, after giving effect to this Amendment, as of the date hereof, there exists no Default or Event of Default and no right of offset, defense, counterclaim, or objection in favor of any Borrower or any other Loan Party as against Administrative Agent or any Lender with respect to the Obligations.

9. Integration. This Amendment, together with the other Loan Documents, incorporates all negotiations of the parties hereto with respect to the subject matter hereof and is the final expression and agreement of the parties hereto with respect to the subject matter hereof.

10. Severability. In case any provision in this Amendment shall be invalid, illegal, or unenforceable, such provision shall be severable from the remainder of this Amendment and the validity, legality , and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

11. Submission of Amendment. The submission of this Amendment to the parties or their agents or attorneys for review or signature does not constitute a commitment by Administrative Agent or any Lender to waive any of their respective rights and remedies under the Loan Documents, and this Amendment shall have no binding force or effect until all of the conditions to the effectiveness of this Amendment have been satisfied as set forth herein.

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and delivered by their duly authorized officers as of the day and year first above written.

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