Auto Locking Front Hub is a direct fit for the following:

2005-2010 Ford F-250 Super Duty
2005-2010 Ford F-350 Super Duty
2005-2010 Ford F-450 Super Duty
2005-2010 Ford F-550 Super Duty
Models With AUTO LOCKING HUBS ONLY

Genuine Ford Part Number: AC3Z-3B396-A