The front axle seal replacement kit compatible with Ford Super Duty F250 F350 F450 F550 2005-2019 Dual or single rear-wheel 4X4 trucks with Dana Super 60. The front axle seal replacement kit including : Inner Knuckle Seals OE#2017426 2pcs, Outer Tube Oil Seals OE#2014835 2pcs, Vacuum Seal O-Rings OE#54983 2pcs. Good quality: The front axle steering knuckle seal kit is made of high quality steel and rubber, and the tubular seal kit is used for outer axle sealing to prevent dust from entering. Strong and durable: the front axle knuckle seal kit is treated with high temperature and corrosion resistant. Replacing the front oil seal kit fixes noise, leaks, shaking, and other problems with your vehicle's chassis.