Our Services

Diesel Injector Testing and Repair

Improve your engine’s performance and efficiency by flow matching each injector.

Simply ship us your injectors, we will properly match them and ship them back.

For more information on our injector testing, repair or replacement, please call 678-578-5104.

Diesel Engine Repair

We repair and rebuild medium and heavy duty diesel engines including Duramax, Power Stroke and Cummins engines.

We also offer our very own custom diesel engine. Call for more details.

Our engines come with free painting or powder coat.


Mike’s Mobile Wrenches is excited to announce we are expanding our services!​

Our 8,000 sq. ft. shop is located in Norcross, GA and can help with all your diesel truck needs.

We repair and rebuild medium and heavy duty truck transmissions including Allison Transmissions. We also offer our own custom built transmission.

Call for details.