Allied Diesel is your trusted small business diesel repair shop.


Diesel Repair

No job is too big or small. Allied Diesel can help you get back on the road. If you just need a regular service or complete engine repair. We offer a fair price with impeccable service. 


We carry the best products on the market for your light or medium duty truck. During your service we will recommend quality products due to our experience with installation. 

Family Owned and Operated

Allied Diesel is a local family owned and operated diesel repair shop. 

We take pride in all the work we do! We are proud to be owner operated and your local small business diesel repair shop. Born and raised in Windsor, CA we love being a part of this community. 

Located in the heart of Sonoma County directly off highway 101, we strive to ensure every customer leaves happy and that we treat your vehicle as if it were our own. Our well respected reputation with 12 & 24 valve Dodge Cummins engines makes that our specialty, but we can service all makes and models of diesel vehicles. Reach out today to become an Allied Diesel customer! We look forward to hearing from you.