Genuine OEM Volkswagen Breather Line, part number 0XW103655B. This line allows crankcase gases to escape the engine, preventing pressure buildup. It is located at position 10 in the diagram. The part has a length of 0.333 meters and weighs 0.22 kg. Genuine OEM breather lines are manufactured to precise specifications to ensure proper fitment and function, preventing leaks and maintaining engine integrity.