The Kramp 3764634M1N is a high-quality NBR (Nitrile Butadiene Rubber) oil seal, designed for critical sealing applications in agricultural machinery. With an inner diameter of 50 mm, an outer diameter of 72 mm, and a width of 12 mm, this AS-type seal provides a secure fit and prevents leaks. It is a direct equivalent to Massey Ferguson part number 3764634M1 and is suitable for a wide range of Massey Ferguson tractor models, including the 135, 165, 240, 265, 390, 575, 690, 3060, 4245, 6270, and many others, ensuring optimal performance and durability.