1
                                                                    EXHIBIT 23.4


                        CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-8, 333-#) of Quaker State Corporation 
pertaining to the Quaker State Corporation 1994 Stock Incentive Plan and to the
incorporation by reference therein of our reports dated March 22, 1996 and
March 24, 1995, with respect to the Combined Financial Statements of Medo
Industries, Inc., Medo Manufacturing Corp. and Medo Industries Canada, Ltd. for
each of the three years in the period ended December 31, 1995, included in the
Current Report (Form 8-K, File No. 1-2677) of Quaker State Corporation dated
October 11, 1996, filed with the Securities and Exchange Commission.

                              ERNST & YOUNG LLP



                              /s/ Ernst & Young LLP


White Plains, New York
August 7, 1997