Shop 2004 GMC Sierra 2500 HD Engine Valve Cover. 2003-14. 4.3 LITER. 4.3 LITER, 6 CYLINDER. 6 CYLINDER Right, Left, CYLINDER - OEM GMC Part # 12554256

2003-14. lower. upper.

Right.2003-14. Valve cover.

2 groove. 6 3/4". 6 CYLINDER. all. engine oil. lower. PF47. upper. w/AC. w/AWD. w/high output. w/o AC. w/o AWD. w/o high output. w/o TBI. w/TBI.

Left.6 CYLINDER. Valve cover.

Balance shafts. Oil pan. Oil pump. Astor. CAMSHAFT GEAR; Astro. CRANKSHAFT GEAR; Astro. Safari; 1. Safari; 2WD. Safari; All. Safari; AWD. Safari; Exhaust. Safari; Front. Safari; Includes Timing Gears. Safari; Intake. Safari; Left. Safari; Rear. Safari; Right. Safari; RT Cyl Head Stamped T.; #1. Safari; RT Cyl Head Stamped T.; #2. Safari; RT Cyl Head Stamped T.; #3. Safari; RT Cyl Head Stamped W.; #1. Safari; RT Cyl Head Stamped W.; #2. Safari; RT Cyl Head Stamped W.; #3.

Astro. Safari; Left.

Oil pan. Oil pump. #2. #3. All Models; Exhaust Valve Standard); Over 8500lb GVW. All Models; Exhaust Valve Standard); Under 8500lb GVW. All Models; Front. All Models; Intake Valve (Standard); Over 8500lb GVW. All Models; Intake Valve (Standard); Under 8500lb GVW. All Models; Left Bank. All Models; No. 1. All Models; No. 2; Stamped T Below Rt Head. All Models; No. 2; Stamped W Below Rt Head. All Models; No. 3; Stamped T Below Rt Head. All Models; No. 3; Stamped W Below Rt Head. All Models; No.4; Stamped T Below Rt Head. All Models; No.4; Stamped W Below Rt Head. All Models; Over 8500lb GVW. All Models; Rear. All Models; Right Bank. All Models; Under 8500lb GVW. Camshaft sprocket; G10-30 Vans; 4. 3L. Crankshaft sprocket; G10-30 Vans; 4. 3L. G10-20. G10-30 Vans; 4. 3L; #1. G10-30 Vans; 4. 3L; #5.

All Models; Right Bank.

Oil pan. Oil pump. 3; ALL. 3; Federal Mogul. 3; Glacier Vand. All Models; 1st Design. All Models; 2nd Design. All Models; Auto Trans. All Models; Exhaust. All Models; Front. All Models; Intake. All Models; Left. All Models; Manual Trans. All Models; No. 1 & Rear. All Models; No. 2. All Models; No. 3. All Models; No.1. All Models; Rear. All Models; Right. All Models; Timing Chain & Gears.

All Models; Left.