Accessory Drive

The Ultimate Guide to Accessory Drive Belt Tensioner Pulleys

The Ultimate Guide to Accessory Drive Belt Tensioner Pulleys The accessory drive belt tensioner pulley is a crucial component in a vehicle’s engine system, responsible for maintaining the optimal tension in the accessory belt that drives various engine accessories. This guide provides an overview of accessory drive belt tensioner pulleys, their principles, common usage scenarios, usage tips, and general evaluations. Overview Accessory drive belt tensioner pulleys are a part of the accessory belt drive system in vehicles.