ince May 2016, Diesels Unlimited has been establishing itself as a trusted company in the diesel performance world. We are located in Elkton, MD and proudly serve the Tri-state area. We are an independently owned repair facility and distributor of quality diesel products designed for Duramax, Cummins, and Powerstroke pick-up trucks. We are able to build your transmission to suit any application's needs, including Allison 1000, 4L60E, 4L80E, 6L80E, 6L90E, 4R100, 5R110W, 6R140, 47RE, 48RE and 68RFE. We carry an extensive variety of performance products and are a proud vendor of popular brands such as AFE, ARP, Autometer, BD, Danville Performance, EDGE, Industrial Injection, Mishimoto, PPE, S&B, S&S, Valair, WcFab, and many more.  We recognize that customers have different goals and different needs when it comes to diesel performance. Here at Diesels Unlimited, we strive to provide diesel enthusiasts with the engine parts and accessories they need in order to get the power they want at a competitive price.

If you do not see the product(s) you are looking for, or need knowledgeable advice in selecting a products for your application, please feel free to contact us. We look forward to earning your business!