Engine Oil Filler Cap is a direct fit for the following:

2001-2008 Ford F-150
2004 Ford F-150 Heritage

2001-2008 Ford F-250 Super Duty
2001-2008 Ford F-350 Super Duty
2001-2008 Ford F-450 Super Duty
2001-2008 Ford F-550 Super Duty
2001-2008 Ford E-150
2001-2008 Ford E-250
2001-2008 Ford E-350
2001-2008 Ford E-450
2000-2005 Ford Excursion
2001-2004 Ford Expedition
1997-1999 Ford F-250
2002 Ford Explorer
1999-2004 Ford Crown Victoria
2004-2015 Ford F53
2001-2004 Ford Mustang
2004-2007 Ford Freestar
2001-2003 Ford Windstar
2003-2005 Lincoln Aviator
2002-2003 Lincoln Blackwood
2001-2002 Lincoln Continental
2006-2008 Lincoln Mark LT
2001-2015 Lincoln Navigator
2001-2002 Lincoln Town Car
2001-2006 Mercury Grand Marquis
2003-2004 Mercury Marauder
2004-2007 Mercury Monterey
2002 Mercury Mountaineer

Genuine Ford Part Number: 1L3Z-6766-AA