2003-2004 Ram 2500/3500 5.9L Cummins Intercoolers

Whether you're towing, off-roading, or just cruising down the road, your diesel engine needs to perform optimally. The stock intercooler might not provide the cooling performance and efficiency you require. Our upgraded intercoolers deliver lower EGTs, improved efficiency, and superior durability compared to the stock unit. These high-performance intercoolers are ideal for supporting powerful upgrades like high-flow injectors and turbos. Pair your intercooler with our selection of high-quality Engine 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.