Genuine OEM Volkswagen Crankcase Breather Vent Hose, part number 036103493EB. This critical component is responsible for venting harmful gases and pressure from the engine crankcase, preventing oil leaks and maintaining optimal engine performance. It connects various points within the engine's emissions system. The hose is constructed from durable, heat-resistant material to withstand engine bay conditions and measures approximately 0.326 meters in length. Using a genuine OEM hose guarantees the correct material composition, internal diameter, and routing geometry for effective crankcase ventilation and emissions compliance.