2004.5-2007 Ram 2500/3500 5.9L Cummins Engine & Performance

From new aftermarket intakes to turbocharging your powerful 5.9L Cummins engine, at Alligator Performance, we know a thing or two about making engine longevity, performance, throttle response, and overall improved performance. If you're running with a 2004.5-200 Dodge 5.9L Cummins truck, find your next engine upgrade here! With a number of upgrade options ranging from enhanced cooling upgrades in the form of bypass kits/valves, to high GPH fuel pumps, we've categorized just about every engine enhancing product to help you determine what you're looking for. Whether its for repair or replacement, find everything you'll need to make that 5.9L Cummins hum healthily with every turn of the ignition. Find your next engine upgrade here with us at Alligator Performance. Ram Cummins Fitments: 2004, 2005, 2006, 2007 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.