Description:

[Vehicle Fitment-1]: Compatible with Ford Crown Victoria 1999-2011 V8 4.6L, E-150 2003-2011 V8 4.6L, E-150 Club Wagon 2003-2005 V8 4.6L, E-150 Econoline/Econoline Club Wagon 2000-2002 V8 4.6L, E-250 2003-2014 V8 4.6L, E-350 Club Wagon 2003 V10 6.8L, E-350 Econoline Club Wagon 1999-2002 V10 6.8L, E-350 Super Duty 2004-2009 2015 V10 6.8L, E-450 Super Duty 2003-2009 V10 6.8L, Excursion 2000-2005 V10 6.8L, Expedition 2000-2004 V8 4.6L, Explorer 2002-2005 V8 4.6L. [Vehicle Fitment-2]: Compatible with Ford F-150 2000-2009 V8 4.6L, Compatible with F-150 Heritage 2004 V8 4.6L, F-250/F-350/F-450/F-550 Super Duty 2000-2004 V10 6.8L, Mustang 2000-2004 V8 4.6L, E-350 Club Wagon 2005 V10 6.8L, E-350 Super Duty 2015 2017 V10 6.8L; Compatible with Lincoln Town Car 2000-2011 V8 4.6L; Compatible with Mercury Grand Marquis 2000-2010 V8 4.6L, Mountaineer 2002-2005 V8 4.6L. [Reference Number]: 88921369, DG491, DG508, SP493, E222, FD79, FD503, F523, COP9, C409, C469, C471, DC263. [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..