FORM 1O-Q/A
                           Amendment 1


               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C. 20549


      (Mark one)

      [X]  QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d)
                  OF THE SECURITIES EXCHANGE ACT OF 1934

            For the quarterly period ended September 30, 2005

                              OR

      [ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d)
                  OF THE SECURITIES EXCHANGE ACT OF 1934

            For the transition period from            to



Commission File Number 1-898.


                  AMPCO-PITTSBURGH CORPORATION


Incorporated in Pennsylvania.
I.R.S. Employer Identification No. 25-1117717.
600 Grant Street, Pittsburgh, Pennsylvania 15219
Telephone Number 412/456-4400


Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15 (d) of the
Securities Exchange Act of 1934 during the preceding 12 months
(or for such shorter periods that the registrant was required to
file such reports) and (2) has been subject to such filing
requirements for the past 90 days.

                         YES  X       NO


On November 22, 2005, 9,767,497 common shares were outstanding.
                                
                                

                              - 1 -


                                



Explanatory Note:

    Ampco-Pittsburgh Corporation is filing this amendment to the
Form 10-Q for the quarter ended September 30, 2005 to correct the
Section 906 Certification of Marliss D. Johnson which erroneously
referenced the Form 10-Q for the period ended June 30, 2005
instead of the period ended September 30, 2005.

































                              - 2 -



                           SIGNATURES




     Pursuant to the requirements of the Securities Exchange  Act
of  1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned thereunto duly authorized.





                                 AMPCO-PITTSBURGH CORPORATION




DATE:  November 22, 2005         BY:  __________________________
                                      Robert A. Paul
                                      Chairman and
                                        Chief Executive Officer




DATE:  November 22, 2005         BY:  __________________________
                                      Marliss D. Johnson
                                      Vice President
                                        Controller and Treasurer


















                              - 3 -



                  AMPCO-PITTSBURGH CORPORATION
                                
                          EXHIBIT INDEX





Exhibit (32.2):  Certification of principal financial officer
                    pursuant to Section 906 of the Sarbanes-
                    Oxley Act of 2002