The NGK Laser Iridium Spark Plug part number NGK5476 is engineered for optimal performance and durability in a variety of vehicles including Buick, Chevrolet, GMC, Pontiac, Saab, and Saturn models from 2009 to 2014. Designed with a laser-welded iridium center electrode, this spark plug offers six times the durability of platinum, ensuring longer service life and consistent engine performance. Its OE-compatible design makes it an excellent replacement for original equipment, providing reliable starts and efficient combustion for your vehicle's engine. Manufactured with high-grade pure alumina ceramic insulator, the NGK Laser Iridium spark plug ensures superior heat transfer and structural integrity, reducing the risk of overheating and misfires. The plug’s copper core enhances heat removal, contributing to the overall longevity and stable operation of the ignition system. Triple seals provide an effective barrier against leakage, maintaining optimal performance even in demanding conditions.



