Part Number: 000 078 03 92, 0000780392, FP10651, PR416, 0438161001. 1 x Fuel Injection Pressure Regulator (as shown in the picture). Precise and Stable Fuel Pressure: suppresses high-frequency pressure pulses generated by the fuel pump, ensuring that the injector nozzles inject fuel at a constant pressure, improving combustion efficiency and power output stability.
