WHY CUMMINS OWNERS CHOOSE KNOX

Check engine lights, drivability concerns, electrical faults, and intermittent issues all start with proper diagnostics. Your vehicle's cooling system helps regulate engine temperature and prevent overheating. Let us inspect and repair any issues with your cooling system to keep your engine running smoothly.

From fuel contamination and injector concerns to lift pump failures and fuel system diagnostics, we help keep your Cummins running reliably. 

Turbocharger and actuator faults can cause low power, poor towing performance, and check engine lights. We diagnose the root cause before recommending repairs. 

Cooling system issues can lead to costly engine damage. We diagnose coolant leaks, water pump failures, radiator concerns, and overheating conditions. 

Cummins engines are known for their longevity, but oil leaks can develop over time. We identify the source of the leak and recommend the appropriate repair.

We diagnose and repair DEF, DPF, SCR, and emissions-related concerns on modern Cummins-powered trucks

From minor repairs to complete engine replacement and rebuild projects, our team can help keep your truck on the road 

Ram trucks are known for front-end wear. We diagnose and repair steering, suspension, and handling concerns to help keep your truck driving safely and confidently. 

Fuel system upgrades, turbos, injectors, lift pumps, towing upgrades, and supporting modifications built around your goals and intended use 

Modern Ram trucks rely on complex electronics and communication systems. We diagnose wiring, sensor, and electrical concerns before replacing parts

Oil changes, fuel filters, transmission services, coolant flushes, differential services, and mileage based maintenance designed to keep your truck reliable. 

Whether you're towing, hauling, or daily driving, we diagnose and repair transmission, transfer case, driveline, and drivetrain concerns