GMPartsGiant.com offers the wholesale prices for genuine 2019 Chevrolet Silverado 1500 4WD parts. Parts like Fuel Supply System-Front are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.7L, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L. Model Code: CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON.