Belt Tensioner Assembly 819.46570 , A4722001670

This automatic belt tensioner assembly keeps consistent tension on the accessory drive belt as it wears, preventing slippage, squealing, and premature belt failure. It's a spring-loaded assembly designed to bolt in as a direct replacement.

Cross-reference part numbers: 819.46570, A4722001670. In stock and ready to ship fast from United Truck Parts in Pennsylvania — call us with your old part number to confirm fitment before you order.