2003-2004 Ram 5.9L Cummins Transmission Upgrades

With an older 2003-2004 Dodge 5.9L Cummins pick up, you will invariably experience some transmission related issues. From slippy gears to overheating issues, find all of your repair, replacement, or performance enhancing transmission upgrades here at Alligator Performance. We've got just about everything you'll need to make sure your 5.9L diesel beast has smooth gear changes. From auxiliary cooling kits and overdrive clutches to transmission flex plates and complete transmissions, we've got everything you'll need to keep your Ram 2500 and 3500 performing like it should! Treat your 5.9L Cummins engine to an increase in torque, smoother shifting, and better overall performance with Alligator Performance. 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.