Shop OEM General Motors Part # 12677067 (12677066). Engine Valve Cover. 2017-19. All; Right. CAMSHAFT and TIMING. CRANKSHAFT and BEARINGS. CYLINDER HEAD and VALVES. LUBRICATION. MOUNTS

Oil pan. Oil pump. All; Left. All; Right. Sierra; 2WD. Sierra; 4WD. Sierra; All. Sierra; Bearing Kit; All. Sierra; Bearing Kit; Lower. Sierra; Bearing Kit; Upper. Sierra; Camshaft Gear. Sierra; Crankshaft Gear; Part Of Crankshaft.. Sierra; Exhaust. Sierra; Intake. Sierra; Left; Grade A. Sierra; Left; Grade B. Sierra; Left; Grade C. Sierra; Lower. Sierra; No. 1. Sierra; No. 2. Sierra; Right; Grade A. Sierra; Right; Grade B. Sierra; Right; Grade C. Sierra; Thrust Bearing. Sierra; Upper; Left. Sierra; Upper; Right.

All; Right.