EXHIBIT 32.2


                       CERTIFICATE OF THE CHIEF FINANCIAL
                          OFFICER OF GENTEX CORPORATION


Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S. C. 1350):

I, Enoch C. Jen, Chief Financial Officer of Gentex Corporation, certify, to the
best of my knowledge and belief, pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002 (18 U.S.C. 1350), that:

         (1)  The quarterly report on Form 10-Q for the quarterly period ended
              June 30, 2003, which this statement accompanies, fully complies
              with requirements of Section 13(a) or 15(d) of the Securities and
              Exchange Act of 1934 and;

         (2)  The information contained in this quarterly report on Form 10-Q
              for the quarterly period ended June 30, 2003, fairly presents, in
              all material respects, the financial condition and results of
              operations of Gentex Corporation.


                               GENTEX CORPORATION




Dated:   August 6, 2003              By:  /s/ Enoch C. Jen
         --------------                 -----------------------------------
                                     Enoch C. Jen

                               Its:  Vice President - Finance



A signed original of this written statement required by Section 906, or other
documentation 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 Gentex Corporation and
will be retained by Gentex Corporation and furnished to the Securities Exchange
Commission or its staff upon request.

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