John Deere AM143829 Splined Coupling is a John Deere equipment manufacturer (OEM) part designed to ensure reliable performance and compatibility. This splined coupling includes parts M155921 and M155922, providing a precise fit for your equipment needs. Whether you’re maintaining or repairing your John Deere machinery, this high-quality component is crafted to meet the exact specifications set by the manufacturer. 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 and reliable parts information, but since manufacturers can update parts and compatibility without notice, customers are encouraged to reach out to customer support if unsure about the correct part. Model Number: AM143829