GMPartsGiant.com offers the wholesale prices for genuine 1990 Chevrolet S10 Pickup 2WD parts. Parts like Trim Interior are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L. Model Code: PICKUP.