NGK glow plugs incorporate double coil technology with exceptional electrical insulation. This design enables it to deliver outstanding heat up performance, rapidly reaching temperatures of up to 900°C within seconds. Furthermore, these glow plug exhibits remarkable resistance to heat shock, mechanical shock, and chemical corrosion, ensuring its durability in challenging operating conditions. Notably, this high-quality spark plug for diesel engines comes with the approval and recommendation of major OEM companies, solidifying its reputation for reliability and compatibility with diesel engines.