Exhibit 32-a

          CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO RULE
           13a-14(b) UNDER THE EXCHANGE ACT AND 18 U.S.C. SECTION 1350
     (as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)


      As required by Rule 13a-14(b) under the Securities Exchange Act of 1934,
as amended, and 18 U.S.C. Section 1350, I, Larry D. Yost, Chairman of the Board
and Chief Executive Officer of ArvinMeritor, Inc., hereby certify that:

         1. The Quarterly Report of ArvinMeritor, Inc. on Form 10-Q for the
            Quarterly Period Ended March 28, 2004 fully complies with the
            requirements of Section 13(a) of the Securities Exchange Act of
            1934, and

         2. The information contained in that report fairly presents, in all
            material respects, the financial condition and results of operations
            of ArvinMeritor, Inc.




/s/ Larry D. Yost
-----------------
Larry D. Yost

Date:  May 7, 2004




A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to ArvinMeritor, Inc. and will be
retained by ArvinMeritor, Inc. and furnished to the Securities and Exchange
Commission or its staff upon request.