Ready to take your Duramax build further? Swap Specialties has the components and expertise to help make it happen. Based in Ovid, MI, we've spent 25 years mastering engine swaps and performance upgrades. We provide Duramax harnesses and PCMs as well as Duramax parts and accessories designed to support reliable performance and simplify the conversion process. With over 15,000 harnesses built and more than 1.35 million horsepower tuned, we understand what it takes to keep your diesel project running right.
Whether you're looking for custom wiring solutions, professionally programmed PCMs, or quality Duramax components, we're here to help. Serving customers worldwide, we deliver the parts and support enthusiasts need wherever their projects are located. We're proud to offer fully custom wiring solutions backed by our industry-only lifetime warranty. Ready to get started? Contact us
today and let's talk about your Duramax build.
