A U-Cup Seal is a type of mechanical seal that has a lip or sealing edge that is in contact with the sealing surface for the tube in the Transmission Case assembly. The seal is designed to fit tightly and securely into the groove and provides the primary sealing action by creating a tight connection against the mating surface.Attributes: • Manufactured to precise specifications and are built for durability and reliability• Suitable to fit a tube with an outer diameter of 25.625mmApplications:A U-Cup Seal helps to provide a reliable and effective sealing solution to prevent fluid leakage between the tube and the Transmission Case.