Genuine OEM Volkswagen Spark Plug, part number 07P905601. This essential component is responsible for igniting the compressed fuel-air mixture within the engine's combustion chambers, initiating the power stroke. It is installed in the cylinder head. Manufactured by NGK, this plug weighs approximately 0.047 kg. Using a genuine OEM spark plug ensures correct heat range, electrode gap, and material composition for optimal engine performance and fuel efficiency.