2003-2004 Ram 2500/3500 5.9L Cummins Valve Bodies & Modules

If you're transmission gears are starting to slip when pushing the pedal in your 2003-2004 Ram 5.9L Cummins, it might be time to install a transmission module. At Alligator, we offer a wide selection of transmission modules designed to regulate gear shifts and provide real-time data on transmission performance. Once installed on your Ram 2500/3500, you'll notice improved performance with smoother shifts. Since valve bodies can crack, warp, or leak over time, upgrading to our heavy-duty valve bodies ensures enhanced durability and longevity for your transmission. Boost your transmission's performance by upgrading to a new Valve Body and Module today! Further enhance your transmission with our selection of Transmission 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.