2003 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
3.73R(GT4),4.10R(GT5),3.42R(GU6) Extended Cab Pickup 4 Doors 4WD
2 Per Vehicle
2003 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
2
3.73R(GT4),4.10R(GT5),3.42R(GU6) Standard Cab Pickup 2 Doors 4WD
2003 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
3.73R(GT4),4.10R(GT5),3.42R(GU6) Standard Cab Pickup 2 Doors 4WD
2 Per Vehicle
2003 GMC Sierra 1500 equipped with 6.0L V8 Gas OHV