The 3653790M1 is a genuine OEM oil seal designed for a wide range of agricultural machinery, including Massey Ferguson, Landini, and McCormick tractors. This critical component ensures proper sealing, preventing oil leaks and maintaining optimal performance of various systems. With an inner diameter of 40mm, an outer diameter of 52mm, and a thickness of 7mm, this durable sealing ring provides a precise fit and reliable operation in demanding conditions.