Spark Plug DENSO ZXU20HCR8 (3479)

The high-performance DENSO Iridium Tough ZXU20HCR8 spark plug (part number 3479) is specifically engineered for modern Japanese and European engines that demand superior ignition reliability. The model features an ultra-fine 0.4 mm iridium center electrode paired with a platinum tip on the ground electrode, providing a service life of up to 100,000 kilometers. Technical specifications include a 12 mm thread diameter, 26.5 mm thread length, and a 16 mm hex size, matching standards for many modern long-reach cylinder head engines. The spark plug offers excellent resistance to erosion and high temperatures, promoting stable engine idling and improved fuel efficiency. This part is commonly used in Honda, Mazda, and Mitsubishi vehicles, ensuring compliance with strict environmental standards and OEM factory specifications.