We are your one stop shop.

From maintenance to engine and transmission replacements we can do it all.

Engine or transmission problems?

We install Jasper engine and transmissions with a nation wide warranty!

Looking for more power?

EDGE tunes and MBRP exhaust in stock. Pulling a fifth wheel or a large trailer? Upgrade to a South Bend Clutch

Our Services Include:

  • Complete Computer Diagnostics
  • Drivability Problems
  • Tune - Ups & 31 point inspections
  • Oil Changes: No need for an appointment, just come on by for our $ 69.95 plus tax diesel oil change.
  • Brake Repair
  • Mufflers and Exhaust systems
  • Steering and Suspensions
  • Tuners and Programmers
  • Engine Repair and Replace
  • Factory Injectors, and Turbos
  • Transmissions
  • Tire Rotation
  • S & B Air Box
  • Exhaust: MBRP Exhaust Systems
  • Custom Engine Building
  • EDGE tunes and MBRP exhaust in stock.

Pulling a fifth wheel or a large trailer? Upgrade to a South Bend Clutch

At Mr Diesel & Auto Repair in Cheyenne, WY, we specialize in the complete maintenance and repair of all foreign and domestic vehicles for your family or business.  We are a full-service repair facility utilizing the latest diagnostic equipment and computerized repair manuals to ensure your specific vehicle is maintained and repaired to the latest factory specifications.  Our ASE certified technicians are fully trained and work hard to get you back on the road quickly. For all of your auto repair needs, depend on Mr. Diesel & Auto Repair in Cheyenne, WY to keep  you on the road.  




jasper logo associate ownedHere at Mr. Diesel & Auto Repair , we recommend JASPER® Engines & Transmissions for any engine, transmission or differential replacements as they simply are the best product with the best warranty available in the industry.  

Top 4 Reasons JASPER® Engines Leads the Industry:

1. PROVEN, an Industry leader since 1942 with engines, transmissions & differentials throughout the USA. For more than 75 years continually "Perfecting the Art of Remanufacturing".
2. QUALITY,  JASPER® remanufactured products exceed factory specifications and improve OEM inherent design flaws with updated parts and precise machining.  
3. CONTINUALLY TESTING & IMPROVING, Live run computer assisted testing to assure trouble-free performance and peace of mind for their customers who depend on it with a Research & Design team looking to improve the process.  



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