Genuine OEM Volkswagen Engine Breather Line, part number 06M121692AD. This flexible line is designed to safely vent crankcase gases from the engine, preventing pressure buildup and ensuring proper engine operation. It is an integral part of the engine's emission control and ventilation system. Made from durable, heat-resistant materials, the line measures approximately 0.48 meters in length and weighs about 0.04 kg. Using a genuine OEM breather line ensures correct routing geometry, material compatibility, and proper sealing for optimal engine performance and longevity.