John Deere M163334 Extension Spring is a John Deere equipment manufacturer (OEM) part designed to meet the high standards and specifications of John Deere machinery. This extension spring ensures reliable performance and durability, making it an essential part for maintaining the efficiency of your equipment. For assistance in 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) by calling 800-345-2396 or via email through the provided contact options. Hartville Hardware strives to provide accurate part recommendations based on reliable sources, but since parts and compatibility can change without notice, customers are encouraged to contact Customer Support if they are unsure about the part they need. Model Number: M163334