Shop OEM GENERAL MOTORS Part # 20955415. Suspension Shock Absorber (Rear). 2WD. Delco# 540-634. Silverado, Sierra Hybrid; All; 2WD. Silverado, Sierra Hybrid; All; 4WD; w/o Enhanced

1/2 ton. 3/4 & 1 ton. 3/4 ton. Delco# 540-463. Delco# 540-464. Delco# 540-465. Delco# 540-517. Delco# 540-626. Delco# 540-632. Delco# 540-633. Delco# 540-634. Delco# 540-635. Delco# 540-637. Delco# 540-638. Lower. Upper. W/DUAL rr wheels. W/EXT fuel pkg. W/O dual rr wheels. W/O ext fuel pkg.

Left.Delco# 540-634. Right.Delco# 540-634.

Sierra Hybrid; All; 2WD. Sierra Hybrid; All; 4WD; w/Enhanced Tow Pkg.. Sierra Hybrid; All; 4WD; w/o Enhanced Tow Pkg.. Sierra Hybrid; w/Enhanced Tow Pkg.. Sierra Hybrid; w/o Enhanced Tow Pkg.. Sierra Hybrid; w/o Tow Package; w/All Terrain Pkg.. Sierra Hybrid; w/o Tow Package; w/o All Terrain Pkg.; w/o Smooth Ride Susp.; All. Sierra Hybrid; w/o Tow Package; w/o All Terrain Pkg.; w/o Smooth Ride Susp.; w/o Off Road Pkg.. Sierra Hybrid; w/o Tow Package; w/o All Terrain Pkg.; w/o Smooth Ride Susp.; w/Off Road Pkg.. Sierra Hybrid; w/o Tow Package; w/o All Terrain Pkg.; w/Smooth Ride Susp.. Sierra Hybrid; w/Tow Package; w/o Off Road Package. Sierra Hybrid; w/Tow Package; w/Off Road Package.

Sierra Hybrid; All; 2WD. Sierra Hybrid; All; 4WD; w/o Enhanced Tow Pkg.. Silverado.