Genuine OEM Audi Spark Plug, part number 06K905601M. This critical component is responsible for creating an electrical spark to ignite the air-fuel mixture within the engine's combustion chambers. It is installed in the cylinder head. Weighing 0.053 kg, this spark plug is engineered for optimal performance. Using genuine OEM spark plugs ensures precise ignition timing, consistent spark delivery, and proper heat range for engine longevity and fuel efficiency.