Rear Driveshaft Rubber Boot is a direct fit for the following:

Provided Your Boot Has The Following Size Openings:  1 1/4   by  1 11/16  inch 

2002-2003 Ford F-150
1999-2016 Ford F-250 Super Duty
1999-2016 Ford F-350 Super Duty
1999-2016 Ford F-450 Super Duty
1999-2016 Ford F-550 Super Duty
2000-2005 Ford Excursion
2002-2014 Ford E-150
2002-2014 Ford E-250
2002-2014 Ford E-350
2002-2014 Ford E-450
1995-1997 Ford F-250
1995-1997 Ford F-350

Genuine Ford Part Number: F81Z-4421-CA