Underground Diesel Performance, Inc.
Auto RepairHours:
429 N Orange Ave, Green Cove Springs FL 32043 Hours
About Underground Diesel Performance, Inc.
Underground Diesel Performance, Inc. is a great and awesome shop. It is a small privately owned shop with a bunch of good, honest, trustworthy, and extremely knowledgeable guys. Customers report having awesome and great experiences, with amazing service and great turnaround time. The shop is known for its peace of mind, as clients can drop a vehicle off and get it back fixed without issues. The team is very helpful and reasonable to deal with, and they are known for being accommodating, even helping with payment arrangements. They handle and answer any questions on diesel trucks. They know diesels, whether for an oil change, a filter and fluid change, general repairs and maintenance, a pump swap, or performance work. Their price is reasonable. Many customers state they will only use this shop for all their diesel vehicles now and in the future, will definitely be back, and highly recommend it. They note that you don't know how lucky you are to have this quality of diesel mechanic locally.
Most Recent Reviews
May 2026
I was having issues with my truck so I called and they got all my issues resolved. When I picked my truck up, Andrew gave me a full walk through of everything they did and what to expect and look out for down the road. Very knowledgeable team and down to earth people. Will definitely be back for some more work.
February 2026
These guys are the best. We are lucky to have them in Green Cove Springs. Highly recommend.
January 2026
UDP had done multiple work on my cars from 2018 Charger SRT8, Two of my 2005 Exucursions 6.0, & 2018 Ford Raptor. They are prompt and do great work. I know every shop will have horror stories, but I want to state that working on multiple vehicles of mine, I highly recommend them for any of your vehicles
More Comments(27)
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