Genuine OEM Audi Brake Booster Vacuum Pipe, part number 4L0611931D. This crucial pipe is responsible for transmitting vacuum from the engine's intake manifold to the brake booster, enabling power-assisted braking. It connects directly to the brake booster assembly, ensuring efficient and responsive brake pedal feel. With a length of 0.59 meters and weighing 0.24 kg, this pipe is constructed from durable materials to withstand engine bay conditions. Using a genuine OEM vacuum pipe guarantees the correct diameter, flexibility, and sealing integrity, which are vital for maintaining consistent vacuum pressure and reliable brake performance.