The John Deere DE21028 Seal is an authentic OEM component designed to provide a secure and leak-free seal in various John Deere agricultural and construction equipment. This genuine John Deere seal is engineered for durability and precise fitment, crucial for maintaining system integrity and preventing fluid loss. It is a vital replacement part for routine maintenance and repairs, compatible with a wide range of John Deere cotton pickers, cotton strippers, sprayers, and tractors, including M, R, and T series models. Trust in OEM quality for reliable performance and extended machine lifespan.