Diesel Conversion Specialist is highly regarded for its top-quality Cummins diesel conversion kits for Super Duty Ford and Chevy trucks. Customers praise the kits for being complete, easy to install, and supported by detailed instructions. Many reviews highlight the helpfulness and kindness of the customer service team, noting that they provide excellent support and guidance throughout the conversion process. The products are described as having cutting-edge parts that are often unavailable elsewhere, ensuring customers receive the best parts for their projects. The durability and reliability of the conversions are also emphasized, with reports of flawless performance even years after installation. While the kits and parts are considered expensive and shipping costs may be high, customers feel the quality and support justify the price. Overall, Diesel Conversion Specialist is seen as a leader in the market, with a friendly and knowledgeable team that goes above and beyond to help customers achieve successful diesel conversions.
This company is absolutely amazing. I bought a swap kit for my truck 2yrs ago and they’re still so willing to work with me to this day. Life has been busy for me and I’m still working through my swap but these guys have been there for all my dumb questions. They have the best customer service I have ever experienced.
December 2025
I used diesel conversion specialists for a recent cummins swap i did .They are great at answering any questions. Totally exceeded my expectations. Super glad I went with them.
May 2025
Very knowledgeable. Great with follow up and fine tuning.
