Spark Plug DENSO 3442 FXE22HR11

The DENSO Iridium Tough FXE22HR11 high-tech spark plug (part number 3442) is specifically engineered for modern engines requiring exceptional ignition stability. This model features an ultra-fine 0.4 mm iridium center electrode and a platinum tip on the ground electrode, providing record-breaking service life and superior erosion resistance. Technical specifications include a 12 mm thread diameter, 26.5 mm thread length, and 14 mm hex size. With its extended reach and high heat range (22), the plug effectively dissipates heat and prevents knocking under high-load conditions. It is widely used in Nissan, Infiniti, Renault, and Mitsubishi vehicles, ensuring reliable engine starts in cold climates and significant fuel efficiency due to improved combustion completeness.