Mustang National Grease Seal Rear Axle 28 Spline (WEX) 1.375" Shaft 1967-1973
Part Number: NATIONAL 9569S
National Rear Axle Grease Seal for 1967-1973 Mustangs with a 28 Spline (WEX) 1.375" Shaft.
National's Rear Axle Grease Seal has a lay-down sealing lip design to ensure a long life. The sealing lip design, also helps to withstand extreme temperatures, shaft imperfections, shaft/bore misalignment and excessive shaft thrust or movement. This National seal delivers unsurpassed performance when stopping leakage and is officially licensed by NASCAR® for its reliability. Replacing the seal during any servicing of the rear end is advised for optimum performance.