Exhibit 23.1


                         CONSENT OF INDEPENDENT AUDITORS


     We consent to the incorporation by reference in the Registration Statement
(Form S-8 No. 333- 333-92176) pertaining to the 1999 Stock Plan, 1998 ACT
Medical Stock Plan and the 2001 Employee Stock Purchase Plan of MedSource
Technologies, Inc. of our report dated July 23, 2002, with respect to the
consolidated financial statements included in this Annual Report (Form 10-K) of
MedSource Technologies, Inc. for the year ended June 30, 2002.

     Our audit also included the financial statement schedule of MedSource
Technologies, Inc. listed in Item 14(a). This schedule is the responsibility of
the Company's management. Our responsibility is to express an opinion based on
our audit. In our opinion, the financial statement schedule referenced above,
when considered in relation to the basic financial statements taken as a whole,
presents fairly in all material respected the information set forth therein.


                                         /s/ Ernst & Young LLP

Minneapolis, Minnesota
September 13, 2002