The DENSO 3442 Spark Plugs are high-quality ignition components designed for use in a variety of vehicles, including models from Infiniti, Jaguar, Land Rover, Mercedes-Benz, Nissan, Subaru, and more. With a focus on durability and performance, these spark plugs are manufactured in Japan by the reputable brand DENSO. These spark plugs are not considered vintage parts, ensuring compatibility with modern vehicles and providing reliable ignition systems for improved engine performance.