89098 Idler Pulley, Dayco 17.8415 The Dayco 89098 Idler Pulley is a high-quality car part designed to ensure smooth and efficient operation of your vehicle's accessory belt system. With a manufacturer warranty of 1 year, you can trust in the durability and performance of this idler pulley. Its OE/OEM part number and manufacturer part number are both 89098, making it a direct replacement for your original part. Additionally, this idler pulley is not considered a vintage part, meaning it is designed for current vehicle models and offers a reliable fitment solution.