Genuine OEM Volkswagen Breather Line, part number 06K103210D. This line allows crankcase gases to escape the engine, preventing pressure buildup and potential oil leaks. It is located at position 8 on the diagram. This breather line weighs 0.112 kg and has dimensions of 0.23m x 0.1m x 0.088m. Genuine OEM breather lines are designed with the correct internal diameter and material resistance to ensure proper ventilation and engine health.