ACDelco GM Original Equipment 12649233 Water Pump and Balance Shaft Chain Tensioner
- Applies pre-set tension to the balance shaft chain to help prevent unnecessary balance shaft noise, engine vibration, and component wear.
- GM-recommended replacement part for your GM vehicle’s original factory component.
- Offering the quality, reliability, and durability of GM OE.
- Manufactured to GM OE specification for fit, form, and function.