Original dipstick tube, originally painted yellow and is approximately 18-3/64" inches long. Application 1971 - early 1973. Mercury Cougar or Ford Mustang with C6 automatic transmissions, code "U" on your door data plate. For any 351 or 429CJ engine.
Ford master part number D1ZZ-7A228-A.
*NOTE* Only used until 11-1-1972.