Machine Shop

Fix Up Your Diesel Vehicle

Get the diesel engine repair you need in Port Byron, IL

If your truck requires repairs or upgrades, you want to bring it to someone who's qualified to fix it. Larssen's Diesel Performance & Repair has you covered. We'll perform diesel engine repair with skill and speed. We work with trusted brands like Cummins, Duramax and PowerStroke to repair and build engines.

You can come to us for:

  • Custom truck accessories
  • New rims and tires
  • Performance accessories
  • Custom lifts
  • Brakes
  • Suspension systems
  • Oil changes
  • Flat, transmission, complete gas and diagnostic repair
  • Injectors
  • Turbo chargers
  • Head gaskets


Contact us today to request diesel engine repair in Port Byron, IL.

Build your new truck from the ground up

Build your new truck from the ground up

At our truck fabrication shop, we take care of everything from minor truck repairs to full builds. We're your one-stop shop when it comes to your truck. You can expect artistry and dedication in the work we do. Our custom fabrication skills are unparalleled.

Come to our truck fabrication shop in Port Byron, IL today.