Dirty Diamond Diesel
Dirty Diamond Diesel is not some polished-up corporate repair shop pretending to know trucks. We are a diesel performance and repair shop built for the guys who actually use their rigs — the Indianapolis truck owners hauling trailers, running job sites, towing campers, building fleets, and expecting their Cummins, Duramax, or Powerstroke to show up every single day.
Whether your truck needs serious repair, smarter diagnostics, more reliable fuel system solutions, or a full performance-minded rebuild, Dirty Diamond Diesel is here to keep your diesel running stronger, cleaner, and more confidently.
Diesel Services
From daily-driven pickups to fleet trucks and work rigs, Dirty Diamond Diesel is your one-stop shop for Cummins, Duramax, and Powerstroke diesel service, repair, diagnostics, and performance support.
Diagnosing and repairing diesel engine issues before they turn into bigger problems.
Full diesel engine rebuild solutions for trucks that need serious mechanical attention.
Fuel system repairs and replacements built around reliability, performance, and proper function.
Smart CP4 support and solutions for diesel owners looking to protect their truck from costly failures.
Advanced diagnostic software to find the real issue instead of throwing parts at the problem.
Transmission rebuild support for diesel trucks that tow, haul, commute, and work hard.
Service for the parts that keep your truck controlled, safe, stable, and ready for real use.
Heating and cooling repairs to keep your truck comfortable through Indiana summers and winters.
Ready To Get Your Truck Dialed?
Whether you drive a Duramax 2500, Ford F-250 Powerstroke, Ram Cummins, fleet truck, or work rig, Dirty Diamond Diesel is ready to help keep it running strong.