SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934




         Date of report (Date of earliest event reported): JULY 20, 2004


                             TENNECO AUTOMOTIVE INC.
               (Exact Name of Registrant as Specified in Charter)




          DELAWARE                        1-12387                76-0515284
(State or Other Jurisdiction     (Commission File Number)       (IRS Employer
      of Incorporation)                                      Identification No.)



         500 North Field Drive, Lake Forest, Illinois            60045
           (Address of Principal Executive Offices)            (Zip Code)





Registrant's telephone number, including area code: (847) 482-5000













Item 7. Financial Statements and Exhibits.


  Exhibit   Description
  Number


   99.1     Press Release, dated July 20, 2004, announcing Tenneco
            Automotive's second quarter 2004 results of operations.

Item 12. Results of Operations and Financial Condition.

            The following information, including the exhibit described below,
shall not be deemed "filed" hereunder for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), or
incorporated by reference in any filing under the Securities Act of 1933, as
amended, or the Exchange Act, except as shall be expressly set forth by specific
reference in such a filing.

            On July 20, 2004, Tenneco Automotive announced its results of
operations for the second quarter of 2004. A copy of the press release
announcing the company's second quarter 2004 results is furnished as Exhibit
99.1 to this Form 8-K report and is incorporated herein by reference.








                                   SIGNATURES


                  Pursuant to the requirements of the Securities Exchange Act of
1934, the registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.


                                             TENNECO AUTOMOTIVE INC.


Date: July 20, 2004                      By: /s/ KENNETH R. TRAMMELL
                                             -----------------------
                                             Kenneth R. Trammell
                                             Senior Vice President and
                                             Chief Financial Officer








EXHIBIT INDEX

     Exhibit
     Number        Description

      99.1         Press Release, dated July 20, 2004, announcing Tenneco
                   Automotive's second quarter 2004 results
                   of operations.