GMPartsGiant.com offers the wholesale prices for genuine 2004 Chevrolet Tracker 4WD parts. Parts like Automatic Transmission Valve Body Overhaul Kit are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.0L, 6 Cyl 2.5L. Model Code: 4 DOOR, CONVERTIBLE.