Genuine OEM Volkswagen Injection Valve, part number 03C906031A. This injection valve is responsible for precisely delivering fuel into the engine's combustion chamber. Marked as number 2 in the diagram, it is part of the fuel rail assembly. Manufactured with high-precision components, it ensures accurate fuel metering for optimal combustion and efficiency. Genuine OEM injection valves are critical for maintaining the correct fuel-air mixture, ensuring smooth engine operation and emissions compliance.