The Fendt 500100619 is a genuine OEM copper sealing ring designed for critical applications in Fendt agricultural machinery. With an inner diameter of 21 mm, an outer diameter of 27 mm, and a thickness of 1.5 mm, this high-quality copper washer provides a durable and leak-proof seal. It is essential for maintaining system integrity in hydraulic, fuel, or oil circuits across a wide range of Fendt Vario tractor models, ensuring optimal performance and preventing fluid leaks.