Front Driver Seat Belt Buckle (Female End) is a direct fit for the following:

1999-2007 Ford F-250 Super Duty
1999-2007 Ford F-350 Super Duty
1999-2007 Ford F-450 Super Duty
1999-2007 Ford F-550 Supder Duty

Genuine Ford Part Number: 5C3Z-2561203-AAA