GMPartsGiant.com offers the wholesale prices for genuine 2020 Chevrolet Suburban 1500 4WD parts. Parts like Skid Plates 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 6.2L. Model Code: 1500 4 DOOR UTILITY.