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(573) 578-5437

Our Service Hours

Mon - Fri 8AM - 5PM

Schedule an Appointment Today

(573) 578-5437

Our services


Service light on? Our shop is equipped with top of the line troubleshooting equipment to quickly identify issues.

Service & Tune

Call today and schedule an oil change and tire rotation as we role into winter.

EFI Live Performance

Call today and find out if your vehicle is compatible with EFI Live to gain horsepower and increase fuel economy.

Friendly Staff

The staff and technicians at DHD are committed to maintaining the highest work standards possible.

Performance Parts Installation

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Transmission & Motor Repair

DHD specializes in Duramax and Allison Transmissions but also builds and repairs Cummins, Powerstroke and gas engines.

DHD's combination of premium parts and top of the line equipment allows them to service your vehicle beyond expectations.

Our network of dealers and manufactures expands everyday so that we can provide premium parts for your vehicle.