20582558
Idler Pulley
Mack

An idler pulley is a key component in the drive belt system, responsible for guiding and tensioning the belt to ensure proper alignment and operation. Made from durable materials, this pulley reduces belt wear and prevents slippage, contributing to the overall efficiency of the engine's accessory systems. Proper tensioning provided by the idler pulley helps maintain optimal power transfer and reduces noise during operation. Its robust design withstands the harsh conditions typical of heavy-duty trucks, including high temperatures and vibration. Source One Parts Center offers this essential part to keep your Mack truck running smoothly, minimizing the risk of belt failure that could lead to costly repairs. Regular replacement of the idler pulley ensures consistent performance and prolongs the lifespan of your vehicle’s belt system.