The McCormick 6529914M1 is a genuine OEM oil seal, also known as a lip seal or 'joint spi', designed to prevent fluid leakage and protect internal components. This critical sealing component is compatible with a wide range of agricultural machinery, including McCormick CX series, Massey Ferguson 5400 and 6400 series, Landini Powerfarm models, and Valtra A series tractors. With an inner diameter of 40 mm, an outer diameter of 55 mm, and a thickness of 8 mm, it ensures a precise fit and reliable performance in demanding applications.