Genuine OEM Volkswagen Exhaust Recirculation Valve, part number 04L131501L. This valve, also known as an EGR valve, recirculates a portion of exhaust gas back into the intake manifold to reduce combustion temperatures and NOx emissions. It is marked as item 2 in the diagram. This component weighs 0.648 kg and measures 0.12m x 0.105m x 0.125m. Genuine OEM exhaust recirculation valves are calibrated for precise control, ensuring efficient emissions reduction and engine performance.