Genuine OEM Volkswagen Ignition Lead, part number 03F905430K. This ignition lead transmits high voltage electrical current from the ignition coil to the spark plug, initiating combustion. It is part of the ignition system. The lead is approximately 0.545 meters long. Genuine OEM ignition leads are manufactured to exact resistance and length specifications, ensuring consistent and reliable spark delivery for optimal engine performance and longevity.