Description:

[Vehicle Fitment]: Compatible with INFINITI QX4 2001 V6 3.5L; Compatible with Nissan Pathfinder 2001 V6 3.5L. [Reference Number]: UF-331, UF-328, 22448-4W010, 22448-4W011, ICS10229, 610-58616, 610-58615, 5018, LFR5AGP. [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..