From the very beginning Columbus Diesel Supply's sole focus has been our customers, with a specialization in genuine OEM diesel components. As a member of the Diesel USA Group we provide complete coverage for everything from service and parts, to routine maintenance and repair of diesel components, along with a knowledgeable staff and good ol' fashioned advice for anyone seeking it. At the backbone of our superior services are the name brand products you know. Direct from the Original Equipment Manufacturers (OEMs), Columbus Diesel Supply offers authorized service and distribution of these quality components. If keeping your diesel powered application running at optimum efficiency is your goal then Columbus Diesel Supply can help you achieve just that with the products we offer.