GMPartsGiant.com offers the wholesale prices for genuine 2006 Chevrolet Colorado 4WD parts. Parts like Driver Seat/Bucket are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.8L, 5 Cyl 3.5L. Model Code: CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP.