Genuine OEM Volkswagen Vacuum Pipe with Check Valve, part number 561612041C. This specialized pipe is designed to manage vacuum flow within a specific system, preventing unwanted backflow through its integrated check valve. It is typically found in engine or brake booster vacuum lines, where precise pressure control is essential. Constructed from durable black plastic or rubber, the pipe measures approximately 0.339 meters in length and weighs 0.05 kg. Using a genuine OEM vacuum pipe ensures the correct material composition, routing geometry, and check valve calibration for reliable system performance and longevity.