The Mack And Volvo 2007 Through 2022 Engine Drive Belt Idler Pulley OE 20582558 is a reliable and practical accessory for your vehicle. With its serpentine belt type and black finish, this pulley is designed to restore performance and eliminate failed, squealing, or groaning noises caused by a worn idler pulley. It is a direct replacement for the original equipment pulley, ensuring a perfect fit and function. Made with trustworthy quality and backed by a team of engineers and quality specialists in the United States, this pulley is a reliable choice for most Mack and Volvo models from 2007 to 2022.