Genuine OEM Volkswagen Injector For Reductionagent, part number 2H6131113B. This part injects a reduction agent, such as AdBlue, into the exhaust stream to reduce harmful emissions. It is located at position 23 in the diagram. This injector has dimensions of 0.165m x 0.105m x 0.055m and weighs 0.232kg. Genuine OEM reduction agent injectors are calibrated for precise dosing and atomization, crucial for effective emissions control.