About
Superior Diesel, Inc. provides diesel truck repair, trailer repair, engine repair, mobile service, and diesel truck parts for owner-operators, fleets, farmers, and businesses throughout DeKalb County and Northern Illinois. With more than 45 years of diesel repair experience and shop locations in DeKalb and Waterman, Illinois, Superior Diesel helps keep commercial trucks, trailers, and diesel equipment safely on the road. Services include diagnostics, brake repair, drivetrain work, suspension service, electrical troubleshooting, and general diesel truck maintenance. They supply OEM and aftermarket diesel truck parts for repairs, maintenance, and fleet service. Engine repair includes diagnostics for no-start issues, check engine lights, power loss, overheating, fuel system problems, and other performance concerns. Trailer repair covers brakes, lighting, wiring, suspension, axles, and other components. They also offer jump starts, DOT inspection support, and mobile diesel service.
