Marini Diesel Inc. is a Full Parts and Service Cummins Dealer for All Truck Makes with competitive prices. We specialize in a full line of all makes chassis parts and all makes engine parts. Our full service shop can handle repairs on all makes bumper to bumper for Freightliner, Volvo, Kenworth, Peterbilt, International, Western Star. We can handle any engine repairs and rebuilds for Cummins, Caterpillar, Detroit Diesel, International, Volvo, Mack, Mercedes. We have a State of the Art - DPF Cleaning machine and testing equipment. We have Mobile Service for On-Site Repairs available 24/7. We offer Free parts delivery anywhere in Colorado! We also offer FREE Pickup and Delivery for Fleets that are scheduling trucks for repairs in our shop! One call does it all!