Dorman Products (DORM) 10-K 2016 FY Annual report

Exhibit 23

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Dorman Products, Inc.:

We consent to the incorporation by reference in the registration statements (Nos.33-56492,333-157150 and333-160979) on FormS-8 of Dorman Products, Inc. of our reports dated February 27, 2017, with respect to the consolidated balance sheets of Dorman Products, Inc. and subsidiaries as of December 31, 2016 and December 26, 2015, and the related consolidated statements of operations, shareholders’ equity and cash flows for each of the fiscal years in the three-year period ended December 31, 2016, and the related financial statement schedule and the effectiveness of internal control over financial reporting as of December 31, 2016, which reports appear in the December 31, 2016 Annual Report on Form10-K of Dorman Products, Inc.

KPMG LLP

Philadelphia, Pennsylvania

February 27, 2017