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 June 30, 2006, 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, Timothy R. Donovan, Hari N. Nair and Neal Yanos, as
members of the Office of the Chief Executive of the Company, and Kenneth R.
Trammell, as a member of the Office of the Chief Executive and 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/ TIMOTHY R. DONOVAN
             -------------------------------------------------------------
                               Timothy R. Donovan
             Office of the Chief Executive and Executive Vice President,
             Strategy and Business Development, General Counsel and Director



                                 /s/ HARI N. NAIR
             -------------------------------------------------------------
                                    Hari N. Nair
             Office of the Chief Executive and Executive Vice President and
             Managing Director -- Europe, South America and India



                                  /s/ NEAL YANOS
             -------------------------------------------------------------
                                    Neal Yanos
             Office of the Chief Executive and Senior Vice President and
             General Manager -- North American Original Equipment Ride
             Control and North American Aftermarket


                              /s/ KENNETH R. TRAMMELL
             -------------------------------------------------------------
                             Kenneth R. Trammell
             Office of the Chief Executive and Executive Vice President
                         and Chief Financial Officer

August 8, 2006

    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.