Genuine OEM Audi EGR Radiator Connecting Pipe, part number 03G131521R. This critical metal pipe is designed to connect the Exhaust Gas Recirculation (EGR) radiator to other components within the vehicle's emissions control system. It facilitates the precise routing of exhaust gases for cooling before reintroduction into the engine, helping to reduce nitrogen oxide emissions. The pipe features a flexible section to accommodate engine movement and thermal expansion. Weighing 0.315 kg and measuring 0.51m in length. Choosing a genuine OEM pipe ensures exact fitment, leak-free operation, and long-term resistance to high temperatures and corrosive exhaust gases.