重汽五十铃日野共轨压力传感器 45PP3-4 12264327877 柴油发动机专用

Common-rail diesel engines from manufacturers such as FAW, Isuzu, Hino use a common-rail pressure sensor (OEM: 12264327877) with a piezoresistive ceramic sensing element and stainless steel housing; oil/temperature resistant, pressure response accuracy ±1%. Real-time rail pressure monitoring feeds ECU to ensure precise injector control, avoiding power loss or excess emissions. Installation requires removal of high-pressure fuel lines; clean seals; recommended for technicians familiar with common-rail systems.