• jasper
  • ase
  • bbb
  • bg
  • bosch
  • carquest
  • cummins
  • duramax
  • fass
  • fleet
  • mbrp
  • motorcraft
  • powerstroke
  • technet

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 specialist
  • Mufflers and exhaust systems
  • Steering and Suspensions
  • Tunes and programmers
  • Engine repair and replace
  • Factory Injectors, and Turbos
  • Transmissions
  • Jasper engine and transmissions
  • S & B air box
  • Exhaust:  MBRP Exhaust Systems
  • Custom engine building
  • Towing

- EDGE:  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

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.  


Jasperlogox300JASPER ENGINES AND TRANSMISSIONS INSTALLER   We proudly recommend JASPER who has been the industry leader since 1942 for our vehicle engine, transmission & differential repairs. Why JASPER?

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.  


JASPER Authentic Built in USA      JASPER Diesel Engines      Used vs. JASPER?      Performance JASPER Products      Transmissions      Do you like your vehicle? Keep it!      Differential Brochure      Differential Pamphlet      Marine      Fleet Solutions


DIFFERENTIAL REPLACEMENT We install JASPER® Differentials which are completely remanufactured to meet or exceed OEM specifications with a 3 YEAR | 100,000 MILE nationwide parts & labor warranty remanufactured rear axle assemblies and differentials because every one of them goes through our extensive "Do It Right" process that ensures worry-free operation which is why we choose JASPER® Differentials every time here at our shop!

Fleet ButtonFLEET SERVICE PROGRAM   Our Fleet business customers get the highest priority to keep them on the road.

ase.badge.365ASE CERTIFIED TECHNICIANS,  Know the advantages of trusting only ASE Certified automotive technicians.

BG logo BG PRODUCTS  Lifetime Protection Plan Products & Services
Protect your vehicle for Life!

Complete Duramax Diesel Repairs Everything from standard service to major work.
Trust Mr Diesel & Auto Repair to have the right training, diagnostic equipment and parts to get the job done right!

Mr Diesel & Auto Repair

2518 S Greeley Hwy
Cheyenne, WY 82007

location small (307) 637-4000
Email the Shop


Weekdays:   7:30 AM - 5:30 PM
Saturdays: CLOSED

Make An Appointment