Genuine OEM Volkswagen Vacuum Pipe, part number 2Q0612041AQ. This pipe connects the engine's vacuum source to the brake servo, incorporating a non-return valve to maintain vacuum. It is located at position 6 in the diagram. The part has dimensions 0.25 m x 0.15 m x 0.09 m and weighs 0.044 kg. Genuine OEM vacuum pipes ensure precise fitment and material integrity, crucial for maintaining consistent brake assist performance and preventing vacuum leaks.