GMC Sierra 1500 Engine Cylinder Head Replacement

5.3L *CIN verified 2026

This part features the 862 casting and does not have a notch on the outer decking surface by cylinders 3 and 6. For vehicles with engine option LM7 (verify your 8th VIN digit is T) or engine option L59 (verify your 8th VIN digit is Z).

This part fits both sides of the engine.

This part fits both sides of the engine.

Mileage: 105,000 miles

location verified 6/2026

It fits vehicles with the 6.0L engine and hybrid option (option code HP2). This is a casting number 243 cylinder head. It was removed from a running engine.

Mileage: 190,600 miles

For vehicles with the 6.0L gasoline engine. This is an aluminum cylinder head (casting number 317).

This part fits both sides of the engine. This is a bare head only. For vehicles with engine option L96, option L99 (verify your 8th VIN digit is J), or option LS3 (verify your 8th VIN digit is W). This part is not for hybrid models.

Mileage: 120,000 miles

For vehicles with the 5.3L engine.

Mileage: 43,000 miles

Mileage: 59,000 miles

For vehicles with the 6.2L naturally aspirated engine. This is a rebuildable core.

Mileage: 6,300 miles

It fits vehicles with the 6.2L LT1 engine (SS model) and the naturally aspirated option (option code LT1). Built for vehicles where the 8th digit of the VIN is 7. This part fits both sides of the engine.

Mileage: 106,800 miles