Mercury – Quicksilver NGK IZFR6J Laser Iridium Spark Plug | Marine Ignition Component | Sold Individually | 843220Q MerCruiser-4-5L-MPI-Alpha-2012 All Taper-Lock Series feature a

All Taper-Lock Series feature a taper that allows pedestal to fit snugly and disengage as needed

actuator length)

Fresh gearcase seals add another layer of defense by reducing the likelihood of water intrusion

A new seal restores a tight connection

Aftermarket blends may promise compatibility

Mercury – Quicksilver NGK IZFR6J Laser Iridium Spark Plug | Marine Ignition Component | Sold Individually | 843220Q MerCruiser-4-5L-MPI-Alpha-2012 All Taper-Lock Series feature aMercury Quicksilver NGK IZFR6J Laser Iridium Spark Plug Marine Ignition Component Sold Individually 843220Q Overview The Quicksilver 843220Q NGK IZFR6J Laser Iridium Spark Plug is built to give your Mercury outboard dependable starts, smooth power, and long service life. Its the same high quality plug trusted by Mercury Marine for factory performance, designed to handle the heat and vibration of real world boating. Each plug comes pre gapped and ready