Genuine OEM Audi Exhaust Gas Recirculation (EGR) Valve, part number 03G131502B. This valve plays a critical role in the vehicle's emissions control system by precisely regulating the amount of exhaust gas recirculated back into the engine's intake manifold. It is typically located within the exhaust system, often near the engine. Weighing approximately 0.71 kg, this valve features an electrical connector for electronic control. Using a genuine OEM EGR valve ensures accurate control of exhaust gas flow, proper emissions compliance, and optimal engine performance without triggering fault codes.