Do a Cummins swap the right way — our conversion kits simplify Fummins, Chummins, and ISX applications with high-quality parts and hardware.
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This page is your starting point for Cummins swap solutions. Use it to choose the correct conversion path for your platform. Detailed part numbers, year breaks, and fit notes live on the child category pages and individual product listings. If you already know you need a Ford or Chevy specific kit, jump to those sections below.
Contents vary by platform and package. A typical kit may include a turbocharger option, exhaust manifold or adapter, hot pipe and charge-air plumbing, oil feed and return solutions, clamps, couplers, brackets, heat shielding, and hardware. Always check the product page for the exact bill of materials for your truck.
Support spans popular Ford and Chevy HD platforms as well as ISX and X15 conversions. Verify engine family, transmission choice, accessory layout, intercooler path, downpipe clearance, and oil routing on the product page for your year and trim before ordering.
Building in stages or refreshing supporting parts? Explore S300 Single Turbos, S400 Single Turbos, and Diesel Exhaust Manifolds.
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A Cummins conversion kit allows a Cummins diesel engine to be installed into a non-Cummins chassis, such as Ford, Chevy, or custom applications. Cummins swaps are popular because they deliver strong low-RPM torque, excellent thermal control, long engine life, and simpler serviceability compared to many factory platforms. These kits help adapt turbo systems and airflow so the conversion works reliably in real-world driving and towing.
The correct Cummins conversion kit depends on the chassis and intended use. Fummins kits are for Ford-based swaps, Chummins kits are for Chevy/GMC-based swaps, and ISX15 solutions are used for heavy-duty and extreme applications. Each platform page breaks down compatible engines, turbo options, and year-specific considerations so the kit matches your build goals.
Yes. When properly sized, installed, and supported, a Cummins-swapped truck can be daily driven and is often more capable for towing than the original engine. Many owners report improved pulling power, lower EGTs, and better long-term reliability. While some swaps run on stock calibration, tuning often improves drivability, shift strategy, and boost control.
