Genuine OEM Volkswagen Spark Plug, part number 101905626A. This essential engine component is responsible for igniting the compressed fuel-air mixture within the combustion chamber, initiating the power stroke. It is installed in the cylinder head of the engine. Weighing 0.048 kg, this spark plug features a robust electrode design for consistent performance. Opting for a genuine OEM spark plug ensures the correct heat range, electrode gap, and material composition for optimal engine combustion, fuel efficiency, and longevity.