Exhibit 32.2

                   AMPCO-PITTSBURGH CORPORATION

                     CERTIFICATION PURSUANT TO
                      18 U.S.C. SECTION 1350,
                      AS ADOPTED PURSUANT TO
           SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the Quarterly Report of Ampco-Pittsburgh
Corporation (the "Corporation") on Form 10-Q for the period ending
June 30, 2004 as filed with the Securities and Exchange Commission
on the date hereof (the "Report"), I, Marliss D. Johnson, Vice
President, Controller and Treasurer of the Corporation, certify to
my knowledge, pursuant to 18 U.S.C. Section 1350 (including
subsections (a) (b) and (c) thereof), as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

The information contained in the Report fairly presents, in all
material respects, the financial condition and results of
operations of the Corporation.







s/Marliss D. Johnson
Marliss D. Johnson
Vice President, Controller and Treasurer
August 5, 2004