Genuine OEM Audi Valve Adapter, part number 079131166AR. This component is designed to adapt a valve within the vehicle's emission system, ensuring proper flow and connection. It is positioned on the right side of the assembly, as indicated in the diagram. Made from robust materials, it weighs approximately 0.105 kg. Opting for a genuine OEM adapter guarantees precise dimensions and material quality, crucial for maintaining the efficiency and compliance of the emission control system.