[Vehicle Fitment]: Compatible with Ford Escape 2009-2012, Fusion 2006-2009/2010-2012(Flex); Compatible with Lincoln Zephyr 2006; Compatible with Mercury Mariner 2009-2011, Milan 2006-2011---V6 3.0L. [Reference Number]: UF486, 6E5Z12029BA, DG514, 5C1651, 6736011, COP2, GN10238, 4511, PT16TT. [Iridium spark plug]: Iridium is a type of refined alloy which is 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..
