Genuine OEM Audi Emission Control Hose, part number 4F0201214F. This hose plays a crucial role in the vehicle's emission control and vacuum system, facilitating the transport of air or vapors between various components, such as valves and sensors. It is located in the engine bay, typically connected to the intake manifold or associated emission devices. Measuring approximately 0.4 meters in length and weighing 0.354 kg, using a genuine OEM hose ensures precise fitment, resistance to engine bay conditions, and proper function for maintaining emission compliance and engine efficiency.