GMPartsGiant.com offers the lowest prices for genuine 2003 Chevrolet Avalanche 2500 4WD parts
. Parts like Shield/Engine Splash are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L. Model Code: 3/4 TON.