We will be closed Friday August 13th – Tuesday August 17th for renovations!!! Thank you for your support and business!!

We here at Good Guys Diesel & Bio Mechanics, are your only Bay Area TDI Specialists. We have over 12 years experience working with diesel, biodiesel, and veggie vehicles and pride ourselves on our quality service.

We use diagnostic tools, which allow us to see your cars performance in real time with a Data Logger.

We have done many veggie conversions as well as motor swaps, including a Land Rover TD and BMW TD.

In addition to working on your diesel, biodiesel, and veggie vehicle we offer the sale of filtered vegetable oil (WVO) as well as many speciality products for your vehicle.