Buy OEM GENERAL MOTORS Part # 19329863. Engine Complete Assembly. Silverado, Sierra; 5.3L; w/Flex Fuel; Code LMG (Cast Block). Engine Assembly - Repair or Replace. CAMSHAFT and

Oil pan. Oil pump. 6. 2L; Exhaust. 6. 2L; Intake. Sierra; 4.8L; 2WD; Left. Sierra; 4.8L; 2WD; Right. Sierra; 4.8L; 4WD; Left. Sierra; 4.8L; 4WD; Right. Sierra; 4.8L; Left. Sierra; 4.8L; Right. Sierra; 5.3L; w/Flex Fuel. Sierra; 5.3L; w/o Flex Fuel; 2WD. Sierra; 5.3L; w/o Flex Fuel; 4WD. Sierra; 6.0L; 2WD. Sierra; 6.0L; 4WD. Sierra; 6.2L; 1st Design. Sierra; 6.2L; 2nd Design. Sierra; 6.2L; 2WD. Sierra; 6.2L; 4WD. Sierra; 6.2L; All. Sierra; Active Fuel Management. Sierra; Exhaust. Sierra; Intake. Sierra; No. 1. Sierra; No. 3. Sierra; No.1.