YMT Outer Axle Shaft Seal Fit For Ford 1998 -2004 Super Duty Excursion F250 F350 F450 F550 With Dana 50 60 Front Diff, Replace 50491, 28600, 710493 >>>COMPATIBILITY: The front axle knuckle seal fits for 1998 1999 2000 2001 2002 2003 2004 Ford Super Duty F250, F350, F450, and F550 with Dana 50, 60 front diff. >>>MATERIAL: Made from superior quality steel and rubber, treated with high-temperature resistance and anti-corrosion, high performance and long service life. >>>GREAT PERFORMANCE: Prevent lubricant leakage or dirt from entering and offer your rebuild or maintenance job a successful end paired with the expected performance. >>>FUNCTION: The outer axle seal is used to the outer axle shaft seal to prevent dirt from entering and replace the old and worn seals. Rebuild the front axle for Ford Super Duty F-250, F-350, F-450, and F-550. >>>PREMIUM SERVICE: If you encounter any problems, please contact us in time, we will deal with you as soon as possible.