Peterbilt 387

Exploring the Importance of Accessory Belt Idler Pulleys in Heavy-Duty Vehicles

Exploring the Importance of Accessory Belt Idler Pulleys in Heavy-Duty Vehicles Accessory Belt Idler Pulleys play a crucial role in ensuring the smooth operation of heavy-duty vehicles like the Peterbilt 387. These pulleys are essential components of the engine’s accessory belt system, responsible for driving various components such as the alternator, power steering pump, and air conditioning compressor. In this article, we will delve into the significance of Accessory Belt Idler Pulleys, their principles, common usage scenarios, usage tips, and general evaluations.