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4WD not engaging right?

This ATTPARTS automatic locking hub is a direct replacement for 1999-2004 Ford Super Duty trucks—F250, F350, F450, F550—plus 2001-2002 Expedition and Navigator.
Replaces part number 1C3Z-3B396-CB and 1C3Z3B396CB.

One hub per package, front application.
Automatic engagement, easy install.

Black finish, durable construction.
1-year warranty included.
No universal junk—direct fit only.

If your hubs are clicking, slipping, or just done, this gets you back in the dirt.
UPC not applicable.

Make sure your truck uses automatic hubs before ordering.

Solid budget-friendly fix.
5 out of 5