The ignition switch activates the main electrical system of the vehicle. It opens the accessories, electronics and starts the engine when the key is turned. This is applicable to your F150, Flex, Mustang, MKT, Tribute and Mariner vehicles. Fits the Following Vehicles: 2013-2018 Ford C-Max 2007-2019 Ford Edge 2001-2019 Ford Escape 2003-2019 Ford Expedition 2002-2015, 2018-2019 Ford Explorer 2007-2010 Ford Explorer Sport Trac 2004-2008,2011-2016,2018 Ford F-150 2011-2019 Ford F-250 Super Duty 2011-2019 Ford F-350 Super Duty 2011-2018 Ford F-450 Super Duty 2011-2018 Ford F-550 Super Duty 2005-2007 Ford Five Hundred 2009-2019 Ford Flex 2005-2016,2018 Ford Focus 2005-2007 Ford Freestyle 2008-2019 Ford Fusion 2005 Ford GT 2005-2014 Ford Mustang 2019 Ford Police Interceptor Sedan 2019 Ford Police Interceptor Utility 2008-2019 Ford Taurus 2010-2018 Ford Transit Connect 2019 Ford Transit-150 2019 Ford Transit-250 2019 Ford Transit-350 2019 Ford Transit-350 HD 2003-2005 Lincoln Aviator 2006-2008 Lincoln Mark LT 2009-2012 Lincoln MKS 2007-2015 Lincoln MKX 2008-2012 Lincoln MKZ 2001-2006,2008-2011 Mazda Tribute (Automatic Transmission) 2005-2011 Mercury Mariner 2008-2011 Mercury Milan 2005-2007 Mercury Montego 2002-2010 Mercury Mountaineer 2008-2009 Mercury Sable Replaces part number: 924-867, 98AZ11572A, 98AZ11572AA, DG9Z11572A, EC0166151, EC0166151B, EC0166151C, EC0166151D, ECTT66151, YS4Z11572AB, YS4Z11572AC This is a compatible replacement part manufactured by AA Ignition. This ignition switch is NOT a genuine OEM part. Vehicle makes and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this ignition fits.