The Case IH 385766R91 is a genuine OEM PTO shaft oil seal designed for a wide range of International Harvester and Case IH agricultural and industrial tractors. This NBR (Nitrile Butadiene Rubber) oil seal ensures optimal sealing performance for the power take-off shaft, preventing lubricant leakage and protecting internal components from contaminants. With an inner diameter of 69.85 mm, an outer diameter of 95.25 mm, and a width of 12.7 mm, it provides a precise fit for critical PTO system applications, maintaining system integrity and operational efficiency.