This New Rail High Pressure Sensor 499000-6141 is specially designed for 6WG1, 4HK1 and 6UZ1 engines. It real-time monitors internal fuel rail pressure and transmits accurate signals to adjust fuel injection volume reasonably. Adopting high-strength pressure sensing components and fine sealing structure, it can work steadily in high temperature and high pressure working environments. Produced following OEM standards, it features excellent matching performance, rapid signal feedback and long service life for daily engine overhaul and maintenance.