Oil Cooler, steering systemMaker: CHEVROLETModels: SIERRA, SIERRA 1500 Crew Cab Pickup, SIERRA 1500 Extended Cab Pickup, SIERRA 1500 Standard Cab Pickup, SIERRA 2500 HD Cab & Chassis, SIERRA 2500 HD Crew Cab Pickup, SIERRA 2500 HD Extended Cab Pickup, SIERRA 2500 HD Standard Cab Pickup, SIERRA 3500 ..