John Deere RE527545 Coolant Heater is a John Deere equipment manufacturer (OEM) part designed to ensure reliable performance and compatibility with your equipment. This coolant heater helps maintain optimal engine temperature in cold conditions, enhancing engine start-up and reducing wear. 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 part recommendations based on reliable sources, but since parts and compatibility can change without notice, contacting customer support is advised if you are unsure about the part you need. Model Number: RE527545