Restore proper rail pressure regulation, consistent fuel control, and dependable performance on your 2003-2007 Dodge Ram 2500/3500 5.9L Cummins with this genuine Bosch fuel pressure regulator valve. This direct-replacement regulator valve helps correct fuel pressure control concerns such as unstable rail pressure, hard starting, pressure regulation faults, reduced power, and drivability issues. Bosch: 1465ZS0062 Installation Note: Verify related pump, rail, and fuel system diagnostics before installation. Fitment Note: Verify build date, VIN, engine application, emissions package, and existing part number before ordering.