John Deere M40460 Extension Spring is a John Deere equipment manufacturer (OEM) part designed to meet the highest standards of quality and durability. This extension spring is crafted to provide reliable performance and ensure compatibility with your John Deere equipment. Whether you need assistance finding the right part or accessory, John Deere specialists are available Monday through Friday, 8:00 AM to 5:00 PM (EST), to help you by phone or email. Hartville Hardware strives to recommend accurate parts based on reliable information, but since parts and compatibility can change without notice, contacting customer support is if you are unsure about the part you need. Model Number: M40460