Diesel Performance Specialist is a leading diesel repair shop in Rocklin, CA, serving small to medium-duty vehicles. The shop provides comprehensive services for brakes, electrical systems, engines, transmissions, and everything under the truck. Customers consistently report a great experience, highlighting the shop's ability to offer next-day appointments and start work right away. The staff is described as professional, friendly, and highly knowledgeable, capable of diagnosing and fixing complex problems that other local shops could not. The shop itself is noted as being nice and clean. Many reviews commend the excellent customer service, including accommodating walk-ins and staying late to ensure a vehicle is ready. Diesel truck owners, including those with Ram Cummins and Ford Super Duty models, express strong trust in the team's expertise and recommend the shop for all diesel repair and maintenance needs. Customers state they will definitely return for any future service.
Very professional and looks for anything my truck may need. Took great care of my truck for me .
December 2025
Recently had a full inspection on my older BMW that led to a few substantial repairs and routine maintenance services. Communication was excellent and I am now confident that my beloved Beemer is in good working condition. My thanks to Joshua and Dennis for their excellent service. This is my go to shop from now on.
November 2025
The service was done very well and in a timely manner, the employees were curtous and friendly and answered all my questions. I will use them again!
