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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 10-Q/A

                                (Amendment No. 1)

                Quarterly Report Under Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


For Quarter Ended September 30, 1999       Commission File Number        0-6611

                            SIMPSON INDUSTRIES, INC.
             (Exact name of registrant as specified in its charter)

         Michigan                                          38-1225111
(State or other jurisdiction of                (IRS Employer Identification No.)
 incorporation or organization)

47603 Halyard Drive, Plymouth, Michigan                    48170-2429
  (Address of principal executive offices)                 (Zip Code)

                                  (734)207-6200
              (Registrant's telephone number, including area code)


(Former name, former address and former fiscal year, if changed since last
report)



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 and (2) has been subject to such filing requirements for
the past 90 days.

                     Yes  X                         No

At October 31, 1999 there were 18,008,728 outstanding shares of the registrant's
common stock, $1.00 par value each.



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         This Form 10-Q/A, Amendment Number 1, amends and supplements the Form
10-Q (the "Original 10-Q") filed by Simpson Industries, Inc. (the "Company") on
November 10, 1999. The sole purpose of this Amendment Number 1 is to amend Part
II, Item 6 and the Exhibits of the Original 10-Q to add as an exhibit amended
bylaws of the Company. Item 6 of the Original 10-Q is hereby amended and
restated to read in its entirety and Exhibit 3 is added as follows:



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Part II.          Other Information

Item 6.           EXHIBITS AND REPORTS ON FORM 8-K

(a) The following exhibits are filed as part of this report.

         Exhibit No.                       Description

              3                            Bylaws, as amended

             11                            Computation of Earnings per Share

             27                            Financial Data Schedule

(b)  Reports on From 8-K

No reports on Form 8-K were filed during the quarter ended September 30, 1999.





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                                   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.


                                    SIMPSON INDUSTRIES, INC.
                                    Registrant

February 25, 2000                   /S/VINOD M. KHILNANI

                                    Vinod M. Khilnani
                                    Vice President and Chief Financial Officer






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                                INDEX TO EXHIBITS


     EXHIBIT NO.                DESCRIPTION

        3                       Bylaws, as amended

       11                       Computation of Earnings Per Share

       27                       Financial Data Schedule