Rear Crankshaft Main Seal is a direct fit for the following:

1999-2003 Ford F-250 Super Duty
1999-2003 Ford F-350 Super Duty
1999-2003 Ford F-450 Super Duty
1999-2003 Ford F-550 Super Duty
1994-1997 Ford F Super Duty
1994-1997 Ford F-250 F-350
2000-2003 Ford Excursion
1994-1997 Ford F59
2000-2003 Ford F-650
2000-2003 Ford F-750
1994-2003 Ford E-150
1994-2003 Ford E-250
1994-2003 Ford E-350
1994-2003 Ford E-450

**With 7.3L V8 Diesel Powerstroke Engines**

Genuine Ford Part Number: F4TZ-6701-A