Front Left Hand Driver's Side Open / Ajar Warning Jamb Switch Relay is a direct fit for the following:

2002-2003 Ford F-250 Super Duty
2002-2003 Ford F-350 Super Duty
2002-2003 Ford F-450 Super Duty
2002-2003 Ford F-550 Super Duty
2002-2003 Ford Excursion
2002-2003 Ford Expedition
2002-2003 Lincoln Navigator
2003 Lincoln Aviator
2002-2005 Ford Thunderbird
1999-2003 Ford Windstar

Genuine Ford Part Number: XF2Z-14018-AD