As filed with the Securities and Exchange Commission on October 7, 2002
                                                    Registration No. 333-72835
==============================================================================


                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                               ---------------

                        POST-EFFECTIVE AMENDMENT NO. 1
                                      TO

                                   FORM S-8

                         REGISTRATION STATEMENT UNDER
                          THE SECURITIES ACT OF 1933

                               ---------------

                         PENNZOIL-QUAKER STATE COMPANY
            (Exact name of registrant as specified in its charter)

                               ---------------

           DELAWARE                                   76-0200625
(State or other jurisdiction              (I.R.S. Employer Identification No.)
of incorporation or organization)

                               ---------------

                                Pennzoil Place
                                P.O. Box 2967
                            Houston, TX 77252-2967
                   (Address of Principal Executive Offices)

         PENNZOIL-QUAKER STATE COMPANY THRIFT AND STOCK PURCHASE PLAN
                           (Full title of the plan)


                             CT Corporation System
                         1021 Main Street, Suite 1150
                               Houston, TX 77002
                    (Name and address of agent for service)

                                (713) 658-9486
         (Telephone number, including area code, of agent for service)

                               ---------------

                                  Copies to:

                             Peter S. Wilson, Esq.
                            Cravath, Swaine & Moore
                                Worldwide Plaza
                               825 Eighth Avenue
                              New York, New York
                                  10019-7475
                                (212) 474-1000

                               ---------------





     Pursuant to Rule 478(a)(4) under the Securities Act of 1933, as amended,
Pennzoil-Quaker State Company (the "Company") hereby withdraws from
registration under this registration statement any and all shares of the
common stock of the Company registered hereunder which have not been issued.
The Thrift and Stock Purchase Plan of the Company, pursuant to which the
shares would have been issued, has either expired by its terms or been
terminated and no additional shares may be issued or sold under such plan.





                                  SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, as amended,
the Company certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8 and has duly caused this
Post-Effective Amendment No. 1 to be signed on its behalf by the undersigned,
thereunto duly authorized, on this third day of October 2002.

                                     PENNZOIL-QUAKER STATE COMPANY

                                     By:  /s/ D. J. Pirret
                                     ----------------------------
                                     Name:    D. J. Pirret
                                     Title:   President and
                                              Chief Executive Officer


     Pursuant to the requirements of the Securities Act of 1933, this
Post-Effective Amendment No. 1 has been signed by the following persons in the
capacities and on the dates indicated.


         Signature                   Title                   Date
         ---------                   -----                   ----


 /s/ D. J. Pirret               President,
- ---------------------   Chief Executive Officer
     D. J. Pirret             and Director              October 3, 2002


 /s/ D. J. Palmer           Vice President,
- ---------------------   Chief Financial Officer,
     D. J. Palmer        Treasurer and Director         October 3, 2002


 /s/ M. J. Maratea
- ---------------------
     M. J. Maratea            Controller                October 3, 2002