It's your engine air filter's job to provide clean and cool air to your engine, however overtime it becomes clogged with dust, dirt and debris which limits its effectiveness. Our Replacement Filters & Cleaning kits ensure your engine is always breathing clean air to ensure it runs reliably, especially in high performance applications such as towing and off-roading. Whether you opt for a dry or oiled filter, we offer top quality drop-in replacement filters for maximum engine performance. Cleaning and oiling your filters has never been easier with our selection of cleaning kits! Pair your new filter with our excellent selection of Engine Upgrades. 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.