John Deere M138190 Tensioner Arm is a John Deere equipment manufacturer (OEM) part designed to ensure the reliability and performance of your machinery. This tensioner arm is crafted to meet the high standards of John Deere, providing a fit and durability. 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) by calling 800-345-2396 or via email. Hartville Hardware strives to provide accurate parts information sourced from reliable systems, but since parts and compatibility can change without notice, contacting customer support for confirmation is if you are unsure about the part you need. Model Number: M138190