Genuine OEM Volkswagen Spark Plug, part number 101905600C. This essential component is installed in the engine cylinders, where it ignites the air-fuel mixture to initiate combustion. Featuring a ceramic insulator and precision-engineered electrodes, it weighs 0.048 kg. Choosing a genuine OEM spark plug ensures the correct heat range, precise electrode gap, and reliable ignition for optimal engine performance and fuel efficiency.