Genuine OEM Fuel Pressure Regulator For Cummins 03-07 Ram 2500 3500 5.9L Diesel

2003-2007 Dodge Cummins 5.9L DIESEL. Cummins: 4932457. When the part fails, the actual fuel pressure will not match the desired fuel pressure as specified by the engine computer. Both pressures can be monitored on a scan tool and compared.