The Bendix 5" Differential Pinion Oil Seal is designed to keep oil from leaking out of the differential housing. This seal is made from high-quality materials for long-lasting performance and durability. It helps to reduce friction and improve the efficiency of the differential by protecting the internal components from dirt and debris. With a thickness of 0.354", this seal will ensure that no oil leaks out of the housing. FleetPride is your First Click in Heavy Duty®.