Genuine OEM Audi Brake Servo Vacuum Pipe, part number 7L8611931C. This critical component supplies vacuum pressure directly to the brake servo unit, enabling the power assistance function of the braking system. It measures approximately 0.41 meters in length and weighs about 0.237 kg. Choosing a genuine OEM pipe ensures the correct material integrity, precise routing, and secure connections required for consistent and safe brake operation.