Diesel Replacement Parts

Check out our high-quality selection of diesel replacement parts designed to keep your truck up and running at all times. We offer replacement harnesses for a wide variety of Cummins, Powerstroke, and Duramax makes and models. Our replacement selector switches are available in four different modes and fully compatible with our diesel performance models. Whatever you are looking for, you can find it at Dr. PerformanceRx. Our collection of Duramax Diesel performance parts offers the ultimate performance and durability for your vehicle. We strive to provide the highest-quality products at the best prices on the market today. If you are not sure which diesel replacement part is right for you, our experts are always here to help. Contact us with any questions today!