GMPartsGiant.com offers the lowest prices for genuine 2003 Chevrolet Express 3500 parts
. Parts like Brake Booster/Hydraulic are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L. Model Code: 1 TON CARGO EXPRESS, 1 TON PASSENGER.