The Cummins Rear Axle Filter O-Ring is designed to provide a secure seal for the filter, preventing hydraulic fluid from leaking. This o-ring is an essential component for ensuring the proper functioning of the rear axle filter and it is manufactured to meet or exceed O.E.M. specifications in function, form, and fit. In addition to providing a secure seal, this o-ring also offers efficient filtration solutions for a wide range of applications. By effectively filtering out contaminants, it helps to improve the life of the hydraulic system and its components, ultimately leading to better performance and longevity. FleetPride is your First Click in Heavy Duty®.