The Claas 3621790 is a genuine OEM sealing ring, also known as a lip seal or joint spi, designed for optimal performance in Claas agricultural machinery. This essential component measures 100 mm inner diameter, 120 mm outer diameter, and 12 mm in width, ensuring a precise fit and reliable seal for axle applications. It is compatible with a wide range of Claas tractor models, including Arion, Axion, Celtis, Ceres, Ergos, Nexos, Nectis, Ares, and Atles series, providing critical protection against leaks and contaminants.