About Leonard's Diesel Repair
Leonard's Diesel Repair in Ontario, California handles diesel engine repair for owner-operators and fleet managers running equipment in the region. Located in a logistics and warehouse corridor east of Los Angeles, the shop serves a 15-mile radius covering Pomona, Chino, Rancho Cucamonga, and Upland. Diesel-specific work is the focus, and the operator accepts appointments during standard business hours. Call (909) 988-9884 to schedule diesel engine repair.
Gallery
Our Services
Diesel Engine Repair
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
I haven't been there in years as I'm retired, but when I used to use them, Leonard was the best I had ever met to fix my buses & put me at ease. I'm sure his son Sam does his best to promote the same business environment that Leonard did. ...
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Verified Customer
Google Review
This is a very strange company. I already provided a review on them before, but it's now gone. I don't know how they got my initial review removed, but they did. They shouldn't be able to do that. They performed services on my truck and ...
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Verified Customer
Google Review
The staff is very friendly and helpful I asked a few questions and they went out of their way to give me the answers