2003-2004 Ram 5.9L Cummins Relief Valves

The pressure relief valve on your 2003-2004 Ram 5.9L Cummins build is responsible for regulating the fuel pressure in the fuel rail, keeping your system protected in case of emergency. If your relief valves are faulty or can't handle the increased stresses of an aftermarket fuel system, we have your back here at Alligator Performance. Choose from our wide variety of aftermarket relief valves to ensure proper performance of your fuel system and engine without compromise. Ram Cummins Fitments: 2003, 2004 Ram 5.9L Cummins. Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon. Some exceptions apply, please see individual product pages for specific fitments.