Belt Tensioner Assembly 816.49563,3691283,89440,3691283,3691282,49563,816.49563

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: 816.49563, 3691283, 89440, 3691282, 49563. 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.