John Deere GY20986 Mower Deck Idler Arm is a John Deere equipment manufacturer (OEM) part designed to ensure reliable performance and compatibility with your mower. This high-quality idler arm is crafted to meet John Deere’s strict standards, providing durability and precise fitment. If you need assistance finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, from 8:00 AM to 5:00 PM (EST), at 800-345-2396 or via email. Hartville Hardware strives to recommend accurate parts based on information, but since parts and compatibility can change without notice, contacting customer support is advised if you are uncertain about the part you need. Model Number: GY20986