GMPartsGiant.com offers the wholesale prices for genuine 1988 GMC Jimmy parts. Parts like Starter Motor & Mounting are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel. Model Code: 1/2 TON.