John Deere AM118587 Thermostat is a John Deere equipment manufacturer (OEM) part designed to ensure accurate coolant temperature sensing for your equipment. This thermostat helps maintain optimal engine performance by regulating temperature effectively. If you need assistance finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, 8:00 AM to 5:00 PM (EST) at 800-345-2396 or via email. Hartville Hardware strives to provide accurate part recommendations sourced from reliable systems, but since parts and compatibility can change without notice, contacting customer support is if you are unsure about the part you need. Model Number: AM118587