WJB WK5C3Z-3254-B Front Axle Hub Outer Seal Kit

The WJB WK5C3Z-3254-B Front Axle Hub Outer Seal Kit is an aftermarket replacement for Ford OEM part number 5C3Z-3254-B, designed for 2005-2016 Ford F-250, F-350, and F-450 Super Duty 4x4 trucks. This comprehensive seal kit services the critical interface between the front axle shaft and hub assembly in vehicles equipped with vacuum-actuated Integrated Wheel End (IWE) locking hub systems.

What's Included:

• Front axle outer seal (3254)
• O-ring seal (4A322)
• Hub lock seal kit (3C452)
• Snap ring (3K184)
• Hub nuts (4 pieces, part 1012)

Key Features:

• Prevents gear lube leakage from the axle housing
• Keeps dirt, moisture, and contaminants out of the hub assembly
• Designed to meet or exceed OE specifications
• Direct-fit replacement for Ford factory components
• Compatible with Electronic Shift-On-The-Fly (ESOF) and Torque-On-Demand (TOD) 4WD systems

This kit is essential when servicing front hubs, replacing wheel bearings, or repairing vacuum hub actuator systems. Sold individually—order two kits for both front hubs. WJB is a trusted manufacturer of quality automotive bearings, seals, and hub components engineered for reliable performance and durability.