The Kubota W21TS03505 is a genuine OEM oil seal designed for critical sealing applications in a wide range of Kubota agricultural and utility machinery. This precision-engineered seal features an inner diameter of 25.4 mm, an outer diameter of 40 mm, and a thickness of 7 mm, ensuring a perfect fit and reliable performance. It is commonly used in Kubota B-Series, BX-Series, L-Series, M-Series tractors, F-Series mowers, RTV utility vehicles, and ZD/ZG zero-turn mowers, preventing lubricant leakage and protecting internal components from contaminants. Trust in Kubota's original parts for optimal durability and machine longevity.