Automatic Belt tensioner fits Mack and Volvo price-list-b2b-us01 giving your truck a cohesive

giving your truck a cohesive and polished appearance

Outside Diameter — Reference | 1 3/4"

essential for roadside assistance or recovery situations

giving it a refined and polished appearance

while the durable chrome construction ensures long-lasting performance

Automatic Belt tensioner fits Mack and Volvo price-list-b2b-us01 giving your truck a cohesiveMaintain 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