2003-2004 Ram 5.9L Cummins Crate Engines

If you're still running with your 2003-2004 Ram 5.9L Cummins engine, but experiencing more engine-age related issues, it may be time to perform some transformative surgery on your diesel beast. Here at Alligator Performance, we offer a treasure trove of rebuilt and new crate engines that will service you for hundreds of thousand miles. From performance-driven engines to OEM-style performance crate engines, we offer a wide variety to help you make the most informed decision. If you're ready to put down some serious horsepower and throttle, find it right here at 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.