2003-2004 Ram 2500/3500 5.9L Cummins Lift Pumps & Filters

One of the most popular upgrades diesel truck owners make on their rig is the addition of an aftermarket fuel system, and you can get started for your 2003-2004 Ram 5.9L Cummins right here at Alligator Performance! Raise your truck's fuel volume and improve filtration by investing in any of these premium aftermarket fuel lift pumps. An aftermarket fuel lift pump will promote efficiency and improve the overall power of your fuel system so you can get the most out of your ride every single time. Check out our selection of Engine Upgrades to pair with your new Fuel Upgrades. 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.