EXHIBIT 32.1

                            CERTIFICATION 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 accompanying Quarterly Report on Form 10-Q of Tenneco
Inc. (the "Company") for the period ended September 30, 2005, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), and
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, Mark P. Frissora, as Chief Executive Officer of the
Company, and Kenneth R. Trammell, as Chief Financial Officer of the Company,
hereby certify 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.

                                          /s/ MARK P. FRISSORA
                             ---------------------------------------------------
                                            Mark P. Frissora
                                         Chief Executive Officer

                                         /s/ KENNETH R. TRAMMELL
                             ---------------------------------------------------
                                          Kenneth R. Trammell
                                         Chief Financial Officer

November 4, 2005

    This certification shall not be deemed "filed" by the Company for purposes
of Section 18 of the Securities Exchange Act of 1934. In addition, this
certification shall not be deemed to be incorporated by reference into any
filing under the Securities Exchange Act of 1933 or the Securities Exchange Act
of 1934.

    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.