Genuine OEM Audi Crankcase Vent Hose, part number 06H103213J. This critical engine component is designed to allow for the controlled ventilation of crankcase gases, preventing pressure buildup and ensuring proper engine operation. It features a durable construction with heat shielding and a metal flange for secure connection. Weighing 0.147 kg and measuring 0.365m in length, using a genuine OEM hose ensures correct routing, material resistance to oil and heat, and optimal engine performance.