Automatic Belt tensioner fits Mack and Volvo price-list-b2b-us01 Outside Diameter — Reference |

Outside Diameter — Reference | 1 3/4"

catering to various operational needs and enhancing the truck's capabilities

Stainless steel is known for its resistance to rust

giving your truck a cohesive and polished appearance

Automatic Belt tensioner fits Mack and Volvo price-list-b2b-us01 Outside Diameter — Reference |Maintain proper belt tension and extend the life of your accessory drive system. Designed as a direct replacement for select Mack and Volvo heavy duty diesel engines, this automatic tensioner helps ensure consistent belt alignment and optimal performance by maintaining the proper tension throughout the belt's life. Manufactured from high strength steel and equipped with a premium bearing and smooth pulley, the 89477 is engineered to reduce belt