Genuine OEM Volkswagen Ignition Coil, part number 022905100A. This ignition coil is responsible for transforming the vehicle's low voltage into the high voltage required to create a spark at the spark plug, igniting the fuel-air mixture. It is situated within the engine assembly. The coil has dimensions of approximately 0.196 meters in length, 0.084 meters in width, and 0.059 meters in height. Genuine OEM ignition coils are calibrated for precise voltage output and long service life.