Infiniti QX56

Exploring the World of Accessory Belt Idler Pulleys: A Comprehensive Guide

Exploring the World of Accessory Belt Idler Pulleys: A Comprehensive Guide Accessory Belt Idler Pulleys may seem like small components in the vast automotive world, but they play a crucial role in ensuring the smooth operation of a vehicle’s engine. These pulleys are part of the serpentine belt system, also known as the accessory belt drive system, which drives essential components such as the alternator, power steering pump, and air conditioning compressor.