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Bay Counties Diesel Service, Inc.

Map & Directions
(2 Reviews)

42370 Boyce Rd, Fremont, CA 94538

(510) 490-5665

Today: 7:00 am - 4:30 pm
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Regular Hours

Sat - SunClosed

Extra Phones

Phone: (510) 490-2572

Fax Number: (510) 490-2572

Fax: (510) 490-2572

Payment method

Bay Counties Diesel Svc

Bay Counities Diesel Service

Truck Service & Repair, Auto Repair & Service


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Jerry P.



Here is the REAL story about this company, not from a disgruntled employees wife, but from a traveling Missouri resident (the Show-Me State). Ray and his team are AWESOME! Last week I made a silly mistake and put DEF in my fuel tank. (I guess I was thinking fuel additive since I am new to this DEF issue.) I called the shop and spoke to Kevin. I explained that we are a non-profit helping the military and this was the only vehicle we had to travel and pull our RV. He immediately set me up to get the truck towed into the shop. I was given a ride back to my RV and the job was completed the next day by 2PM. Ray, the owner, even helped out our organization on the cost of the repairs. He said he just wanted to give back to those who have served our Country. Getting equipment worked on quickly is not always this easy. And being raised in the trucking business, I noticed that the shop was clean, well maintained and the employees were amazingly helpful. I wish there were more businesses and owners like this in our Nation. These are the kind of folks we are proud to have fought for in battle. If you are smart, you will take your equipment to Bay Counties Diesel. They are the BEST!!!! By the way I have served with the most elite warrior groups in the U.S. and handled Top Secret assignments. I do not give many public statements nor do I hand out top ratings to very many people, because I expect perfection from those who claim to be professionals. However, Bay Counties Diesel is worth every star. Jerry P.




You should definitely NOT use this company. They supposedly fix big trucks for people and companies, but they are horrible. My husband worked there (he left when he found out how corrupt they are), and has talked about how they would charge for stuff, but not do it.

For example:

~Charge for an full oil change and new oil filter, but just top off the oil that's in the truck, and clean off the old oil filter instead of putting in a new one

~Charging for a new water pump, but just take out the old one, re-paint it, and put it back in

~Do a BIT inspection, but not write down everything that was wrong, instead just write down the easy stuff (not the important stuff), but charge for everything.

The list goes on and on, and if you use this company, you are just asking for problems!