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

Cummins: 4932457. 2003-2007 Dodge Cummins 5.9L DIESEL. 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.