Front Right or Left Windshield Wiper Arm Nut / Bolt Cover Cap is a direct fit for the following:

1998-2003 Ford F-150
2004 Ford F-150 Heritage
1998-1999 Ford F-250
1998-2002 Ford Expedition
1998-2002 Lincoln Navigator
2002-2003 Lincoln Blackwood

Genuine Ford Part Number: F85Z-1504178-AA