Exhibit 32.1

                    CERTIFICATION BY 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 Annual Report on Form 10-K/A of Genesis Energy,
L.P. (the "Partnership") for the period ended December 31, 2004 (the "Report")
filed with the Securities and Exchange Commission on the date hereof, I, Mark J.
Gorman, President and Chief Executive Officer of Genesis Energy, Inc., the
general partner of the Partnership, certify, pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

      (1)   the  Partnership's  Report  fully  complies  with the  requirements
            of  section  13(a) or 15(d) of the Securities Exchange Act of 1934
            as amended; and

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



August 16, 2005                        /s/ Mark J. Gorman
                                       -------------------------------
                                        Mark J. Gorman
                                        President and Chief Executive Officer,
                                         Genesis Energy, Inc.