1 EXHIBIT 15 Tenneco Automotive Inc. May 14, 2001 We are aware that Tenneco Automotive Inc. has incorporated by reference in the following Registration Statements its Form 10-Q for the quarter ended March 31, 2001, which includes our report dated April 23, 2001 covering the unaudited interim financial information contained therein. Pursuant to Regulations C of the Securities Act of 1933, that report is not considered a part of the Registration Statements prepared or certified by our firm or a report prepared or certified by our firm within the meaning of Sections 7 and 11 of the Act. REGISTRATION NO. FORM - ---------------- ---- 333-24291................................................... S-3 333-17485................................................... S-8 333-30933................................................... S-8 333-17487................................................... S-8 333-41535................................................... S-8 333-27279................................................... S-8 333-23249................................................... S-8 333-27281................................................... S-8 333-41537................................................... S-8 333-48777................................................... S-8 333-76261................................................... S-8 333-33442................................................... S-8 333-33934................................................... S-8 333-58056................................................... S-8 Very truly yours, Arthur Andersen LLP