EXHIBIT 32.1

         CERTIFICATION OF CHIEF EXECUTIVE OFFICER 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 on Form 10-Q of Drew Industries
Incorporated (the "Company") for the period ended September 30, 2003, as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
Leigh J. Abrams, Chief Executive Officer of the Company, hereby certifies,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

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

                  (2)   The information contained in the Report fairly presents,
                        in all material respects, the financial condition and
                        results of operations of the Company.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.


                                        By /s/ Leigh J. Abrams
                                           -------------------
                                        Leigh J. Abrams
                                        President, Chief Executive Officer and
                                        Principal Executive Officer
                                        November 10, 2003


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