2004 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLE Crew Cab Pickup Engine. Ct4; rwd. Bearings - 12731920

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2004 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLE Crew Cab Pickup

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ENGINE.

Part Number: 12731920
Supersession(s): 12737520; 55508631

Fits CT4, CT5

CT4; RWD.

Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

Full Diagram

Balance shafts. Oil cooler. Oil pan. Oil pump. Variable valve timing. CT4; AWD; Left. CT4; AWD; Right. CT4; Driven Gear. CT4; Exhaust. CT4; Inlet. CT4; Intake. CT4; Lower; awd. CT4; Lower; RTV Liquid Sealer. CT4; Lower; rwd. CT4; Lower; Size 1; id 327. CT4; Lower; Size 1; id 469. CT4; Lower; Size 2; id 327. CT4; Lower; Size 2; id 469. CT4; Lower; Size 3; id 327. CT4; Lower; Size 3; id 469. CT4; Lower; Slack Side. CT4; Lower; Tension Side. CT4; Outlet. CT4; RTV Sealant. CT4; rwd. CT4; Upper; awd.

CT4; RWD.