This genuine Ford 81717077 output shaft seal is a critical component designed for various Ford agricultural tractors, including the popular 2000, 3000, 4000, and 5000 series. Measuring 40mm inner diameter, 62mm outer diameter, and 10mm width, this durable lip seal ensures optimal sealing performance for the gearbox output shaft, preventing leaks and maintaining efficient operation. It is an OEM replacement part, ensuring perfect fit and reliability for your Ford machinery.