This front axle seal kit is compatible with Super Duty F250, F350, F450, and F550 models from 2005 to 2018.It includes two outer tube seals (replaces OE 2014835), two inner knuckle seals (replaces OE 2023068), and two O-rings (replaces OE 54983).The kit is designed for front axle applications on both left and right sides of the vehicle.Constructed from steel and rubber materials, the components are built to resist temperature extremes and corrosion.This complete set serves as a direct replacement for worn or damaged seals, helping to prevent lubricant leakage and support effective maintenance of 4WD drive systems.