Genuine OEM Volkswagen EGR Cooler, part number 04L131512CG. This component is designed to cool exhaust gases before they are recirculated back into the engine's intake system, which helps to reduce combustion temperatures and lower NOx emissions. It is a key part of the exhaust gas recirculation system. Manufactured to precise specifications for efficient heat exchange. Genuine OEM EGR coolers ensure proper flow rates and thermal performance for effective emissions control.