6.0L V8 Diesel Powerstroke Engine Oil Level Dipstick Gasket / O-Ring is a direct fit for the following:

2003-2007 Ford F-250 F-350 F-450 F-550 Super Duty
-With 6.0L V8 Diesel Engines

2003-2005 Ford Excursion
-With 6.0L V8 Diesel Engines

Genuine Ford Part Number: 3C3Z-6753-AA