Diesel Repair & Performance is an honest, reliable, and fair business known for its excellent customer service. The staff is expert and knowledgeable, with extensive knowledge about diesel engines and a wide list of services, from basic brakes and tires to complex glow plugs, fuel filters, transmission issues, auto emissions testing, and complete overhauls. They are straight shooters who clearly explain what is needed, providing trustworthy diagnostics. The shop is veteran-owned and operated with a no-nonsense approach, taking great care of its customers. They work hard to ensure vehicles receive the right service, even helping with recommendations and assistance beyond their own repair capabilities. Many customers have trusted them with their diesel trucks for many years, consistently finding their pricing fair. They are highly recommended for anyone needing diesel engine repair performed.
Went in for emissions service it was good while I waited the technician at the front desk gave me advice on diesel trucks since I’m a first time owner . I plan on visiting them in the future now it’s hard to find honest shops in the Denver area I’d recommend them.
September 2025
They are fast and do quality work. Their pricing is moderate to slightly less than others. They do hard/rare parts that most diesel mechanics won’t. They are honest and blunt so if you’re looking to be coddled, maybe not the place to go.
September 2025
They got us in right away for diesel emissions and oil change. Very nice and professional!
