Genuine OEM Audi Spark Plug, part number 0P2905601. This component is crucial for igniting the air-fuel mixture within the engine's combustion chambers. It is installed in the cylinder head, typically above each cylinder. Weighing 0.042 kg, this spark plug measures 0.085m in length. A genuine OEM spark plug ensures the correct heat range, electrode gap, and material composition for optimal combustion, fuel efficiency, and engine longevity.