The PRV-E-2400-1S is a single-stage, external return pressure relief valve designed as a direct replacement for LB7 and 5.9 style fuel systems. Rated at 2400 bar, this valve features an M18x1.5 thread and is built to maintain precise fuel rail pressure, protecting your high-pressure common rail system from overpressure conditions. Ideal for diesel performance and repair applications requiring OEM-spec reliability.