Genuine OEM Volkswagen Spark Plug, part number 101905622. This critical component is responsible for igniting the air-fuel mixture within the engine's combustion chambers. It is installed in the cylinder head, creating the spark necessary for engine operation. Weighing approximately 0.047 kg and measuring 0.08m in length. Using a genuine OEM spark plug ensures precise heat range, electrode gap, and material composition for consistent ignition, optimal engine performance, and longevity.