Genuine OEM Audi Spark Plug, part number 06Q905611A. This vital component is responsible for igniting the air-fuel mixture within the engine's combustion chambers, initiating the power stroke. It is installed directly into the cylinder head. Weighing approximately 0.053 kg, it is designed for precise fitment and electrical conductivity. Opting for a genuine OEM spark plug guarantees the correct heat range, electrode gap, and material composition for reliable engine starting and efficient fuel combustion.