John Deere UC40580 Voltage Regulator is a John Deere equipment manufacturer (OEM) part designed to ensure optimal performance and reliability for your equipment. This voltage regulator is crafted to meet the high standards of John Deere, providing durability and precise electrical regulation. 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 contacting via email through the provided support channels. Hartville Hardware strives to recommend accurate parts based on reliable information, but since parts and compatibility may change without notice, contacting customer support is advised if you are unsure about the part you need. Model Number: UC40580