Lock Cylinder – GM (42732467)

Lock Cylinder is a service part for the engine, transmission or driveline. Because several build codes can share the same external description, the part number is the only dependable match.

Replace the Lock Cylinder when inspection shows wear, cracking or leakage that the surrounding components cannot explain. Rule out the cheaper causes first.

This Lock Cylinder is listed as part 42732467 (Other Parts). Where a number has been superseded, the current reference is the one that ships, so check any supersession note before ordering.

The stock here is genuine GM, and this Lock Cylinder keeps the original engineering number, which matters once a number has been superseded more than once.