Nissan Cefiro/Teana Iridium Spark Plug PFR6G-11 22401-1P116 Long-life Ignition

For Nissan Teana, Latio, and Teana engines, iridium spark plug PFR6G-11 (OEM 22401-1P116); iridium electrode offers higher burn resistance than standard nickel alloy; maintains ignition gap under high temperature and pressure; typical life 80,000-100,000 km. Fits Teana and Latio after 2000; core function to provide long-lasting, stable ignition energy, reducing misfires and improving combustion efficiency, especially for high-compression engines. Replacement difficulty medium; torque to manufacturer standard; thread size M14x1.25.