奔驰燃油压力传感器轨压阀A2711530328(55PP33-02)，精确监测油压

This replacement part meets original factory standards in material and process, with high-pressure resistant alloy housing and sealing ring. Oil pressure fluctuation measured against OEM within ±0.5%. Durability tested for 200 hours of continuous load with no signal drift or oil leakage. OEM number A2711530328; fits Mercedes-Benz M271 engine models, including C-Class W204, E-Class W211 from 2008-2013. Function is to accurately monitor rail fuel pressure and send a simulated signal to the ECU to adjust fuel injection, ensuring combustion efficiency. Installation/replacement is moderate; requires removing the intake pipe and wiring harness, using a dedicated wrench to unscrew the old valve, and careful attention to seal position and torque. Suitable for those with basic maintenance experience.