NGK is a leading manufacturer of spark plugs, spark plug covers, glow plugs and Lambda sensors. As a world leading OE supplier to the major car manufacturers we are committed to providing components designed to meet their specific requirements. As a result NGK is often consulted at the initial stages of the engine design process, with our designers and engineers working alongside the manufacturers own development teams. Each and every product manufactured by NGK is designed to meet the most rigorous standards, thereby delivering reliability and consistent performance under all conditions. They each play a major role in ensuring optimum efficiency, and therefore make a significant contribution in the reduction of emissions.