Front Axle Vaccum Knuckle & Tube Seal Kit Fit For 1998 1999 2000 2001 2002 2003 2004 Ford Super Duty Excursion F250 F350 F450 F550 Dana 50 60, Replace OEM Part # 50491, 50381, 41784-2

APPLICATION: The front axle knuckle seal kit compatible with 1998 1999 2000 2001 2002 2003 2004 Ford Super Duty Excursion F250 F350 F450 F550 Dana 50 60.. FUNCTION: The tube seal kit used to outer axle shaft seal to prevent dirt from entering and replace the old and wear seals. Rebuild the front axle for Ford Super Duty F250 F350 F450 .. PACKAGE INCLUDE: 2 inner knuckle oil seals that fit on outer axle, 2 outer tube oil seals or dust seal that fit on inner axle shaft next to yoke, 2 vacuum seal O-rings that are for the wheel hub bearing assy.(total 6 pieces). Replace for part # 50491 50381 41784-2.. MATERIAL: The front axle knuckle seal kit is made of steel and rubber, treated with high temperature resistance and anti-corrosion, sturdy and durable.. Satisfaction Guarantee--100% satisfaction guarantee. Please feel free to contact us if you have any questions about our product.