The Kubota W21TSS6426 is a genuine OEM oil seal designed for a wide range of Kubota agricultural and utility machinery, including B-Series, L-Series, M-Series, MX-Series tractors, RTV utility vehicles, and ZD-Series mowers. This essential component prevents lubricant leakage and protects against contaminants, maintaining optimal performance and longevity of critical machine parts. With an inner diameter of 19.05 mm, an outer diameter of 44.45 mm, and a height of 9.525 mm, this seal provides a precise fit. Trust genuine Kubota parts for durability and compatibility.