GMPartsGiant.com offers the wholesale prices for genuine 2000 GMC C3500 Pickup 4WD parts. Parts like Steering Pump Lines are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L. Model Code: K2500 EXTENDED CAB STANDARD BOX.