This front axle seal ring sits at the interface between the axle housing and the rotating shaft, retaining lubricating oil inside the hub while excluding dirt, water, and debris from the bearing cavity. It is a radial lip seal that rides on the shaft surface; the flexible lip maintains contact pressure as the shaft turns, forming a dynamic barrier. A leaking seal allows gear oil to escape onto the brake assembly and steering components, reducing lubrication in the axle and contaminating braking surfaces. Corteco manufactures this seal to match the original housing bore and shaft finish, so the lip seats correctly without additional shimming or modification. On installation, inspect the shaft contact surface for scoring or pitting and replace the seal if any damage is found; lubricate the lip lightly before assembly to prevent dry start-up wear.