Description:

[Vehicle Fitment-1]: Compatible with Ford E-150 2003-2011, E-150/E-350 Club Wagon 2003-2005, E-150/E-250 Econoline 1999-2002, E-150/E-350 Econoline Club Wagon 1999-2002, E-250 2003-2014, E-350 Econoline 1999-2000, E-350 Super Duty 2004-2015, E-450 Super Duty 2003-2004, Econoline Super Duty/F-250 1999, Excursion 2000-2005, Expedition 1999-2004, Compatible with F-150 1999-2003, F-250/F-350 Super Duty 2000-2004, E-150/E-350 Econoline 2007-2008, E-450 Super Duty 2006-2015---V8 5.4L. [Vehicle Fitment-2]: Compatible with E-350 Club Wagon 2003, E-350 Econoline Club Wagon 1999-2002, E-350 Super Duty 2004-2009, E-450 Super Duty 2003-2009, Excursion 2000-2005, F-250/F-350/F-450/F-550 Super Duty 2000-2004, E-350 Club Wagon 2005, E-350 Super Duty 2015, E-350 Super Duty 2017---V10 6.8L. [Reference Number]: 1L2U12029AA, 1L2Z12029AA, 1L2Z12029AC, 3W7Z12029AA, 8W7Z12029A, F7TU12A336CB, F7TZ12029AB, F7TZ12029BAF7TZ12029CA, F7TZ12029CC, F7TZ12A366AB, DG481, DG491, FD503, F523, FD503T, GN10164, DG457, DG508, SP479, DG467, DG472, DG473, FD493. [Iridium spark plug]: Iridium is a type of refined alloy highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up..