The product is a lot of 4 genuine OEM Volkswagen spark plugs with the manufacturer part number 101000036AA. These spark plugs are designed specifically for Volkswagen vehicles and are made in Japan. As a crucial component of the ignition system, these spark plugs play a vital role in ensuring optimal engine performance and efficiency. With the trusted Volkswagen brand and high-quality construction, these spark plugs are a reliable choice for maintaining your vehicle's engine health.