Automatic Transmission Variable High Clutch Housing – GM (24257591)

Automatic Transmission Variable High Clutch Housing controls how a clutch pack applies. Clearance is set by the stack, so the thickness of this component directly changes engagement timing.

Replace the High Clutch Housing when the apply circuit cannot hold pressure or when the plates show heat damage. Check the drum and the return spring at the same time.

Reference number for the High Clutch Housing: 24257591. It is filed under Clutches & Flywheels, and it is the number that has to match the part coming off the vehicle.

This is GM dealer-sourced stock rather than an equivalent, so the number on the High Clutch Housing traces straight back to the manufacturer.