The Kubota W21CS04148 is a genuine OEM oil seal designed for critical sealing applications in a wide range of Kubota machinery. This high-quality oil seal ensures optimal performance and prevents leaks in compatible Kubota tractors, utility vehicles, zero-turn mowers, compact track loaders, excavators, wheel loaders, and front mowers. With an inner diameter of 25 mm, an outer diameter of 40 mm, and a thickness of 8 mm, it provides a precise fit for reliable operation.