Original Genuine NGK Spark Plug 5115 IFR7F-4D
Premium iridium tip ensures superior ignition performance and extended durability. Precision-engineered ceramic insulator resists high voltage and heat for stable combustion. Nickel-plated shell prevents corrosion and ensures easy installation. Specifically designed for CUMMINS LPG, CNG, and LNG engines in trucks and buses. Compatible with OEM numbers 4089869, 4946872, and 4955226 for seamless replacement. Manufactured in Japan with strict quality control for reliability under heavy-duty conditions. Ideal for commercial fleets seeking long-lasting spark plugs with consistent performance. Global wholesale pricing available—bulk orders welcome for unmatched value.