John Deere TCU20773 Extension Spring is a John Deere equipment manufacturer (OEM) part designed to ensure reliable performance and compatibility with your John Deere machinery. This extension spring is crafted to meet the high standards set by John Deere, providing durability and precision for your equipment needs. 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. You can also reach out via email for expert support. Hartville Hardware strives to provide accurate part recommendations based on reliable sourcing; however, part compatibility can change without notice, so contacting customer support for confirmation is advised. Model Number: TCU20773