This is installed on the outer axle shaft and seals the inboard side of the wheel bearing in the steering knuckle
Provides the seal for the vacuum actuated locking hubs
This seal also works for sealing positive pressure for adding CTIS (central tire inflation system) for custom builds using 2005+ Super Duty unit bearings
3.528" ID
5.479" OD
(2) required per axle
Requires a special driver/tool to install on the axle shaft and to drive to the proper depth in the steering knuckle
Parts Included:
(1) seal
Fits:
2005+ Ford Super Duty F-250, F-350, F450, and F-550with that Dana Super 60 front axle