Engine Camshaft – GM (12634207)

Engine Camshaft turns motion in the engine or transmission. Journal diameter and surface finish determine whether it runs quietly, and both are checked against the bearing it sits in.

Replace the Engine Camshaft when noise appears at a frequency tied to camshaft or crank speed, or when end float is out of specification. Check that the oil supply passage is clear before fitting.

The Engine Camshaft in this listing carries part number 12634207 and sits in the Camshafts & Timing category. The number stamped on the original part is the only reliable cross-reference.

Genuine GM part for the Engine Camshaft. Where the manufacturer has superseded a number, the current reference is the one that ships.