20822521
Accessory Drive Belt Idler Pulley
Mack

This accessory drive belt idler pulley is a key component in the belt drive system, ensuring proper tension and alignment of the accessory belts. Its smooth operation reduces belt wear and prevents slippage, which is vital for the consistent functioning of alternators, power steering, and air conditioning systems. Made from durable materials, it resists corrosion and withstands high rotational speeds. Proper tensioning provided by this pulley helps maintain optimal belt performance, reducing the risk of breakdowns and costly repairs. Easy to install and maintain, it plays a crucial role in the overall reliability of the vehicle’s accessory drive system. Regular inspection and replacement when necessary keep your engine accessories operating smoothly. Source One Parts Center supplies this high-quality pulley to support your truck’s performance and longevity.