Exhibit 32-b

              CERTIFICATION OF CHIEF FINANCIAL 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, S. Carl Soderstrom, Jr., Senior Vice
President and Chief Financial Officer of ArvinMeritor, Inc., hereby certify
that:

      1.    The Annual Report of ArvinMeritor, Inc. on Form 10-K for the Fiscal
            Year Ended September 28, 2003 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/ S. Carl Soderstrom, Jr.
---------------------------
S. Carl Soderstrom, Jr.


Date: December 19, 2003

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.