Genuine OEM Volkswagen Solenoid Valve, part number 05C906423F. This electrically operated valve controls the flow of fluids or gases within the system. It is located in the assembly highlighted as item 21 in the diagram. The part has dimensions of 0.095m x 0.083m x 0.025m and weighs 0.206 kg. Genuine OEM solenoid valves are manufactured to precise specifications for reliable operation and longevity.