(720) 378-7888  

Professional work that’s honestly recommended, fairly priced, and done right. You can count on absolutely no unnecessary repairs being recommended. Kris will give you a complete and detailed evaluation of any needed repair including any options that might be available. - Kevin P. (recommended on Facebook)

Very thorough, and friendly staff! Highly recommend!!! They do a great job without you worrying about getting gouged like at a dealer! - Amy E. (recommended on Facebook)

Carbon Valley Garage is always professional with our fleet vehicles as well as personal. I would highly recommend them for your repair, alignment, and tires! Locally owned and operated, so they care about what goes out of their shop! - Brad D. (5 star review on Google)

Great people and very professional work. Carbon Valley exceeded my expectations. - David G. (4 star review on Google)

At Carbon Valley Garage we offer only the best products to our Longmont, CO drivers, that’s why we are excited to partner with Jasper Engines and Transmissions. JASPER is known for their great transmissions, some of which are even used in NASCAR. The JASPER 4-Speed Transmission is currently being used by seventeen team/driver combinations during the 2020 Monster Energy NASCAR Cup Series. The 4-Speed transmission is also being used by ten team/driver combinations for the 2020 NASCAR Xfinity Series as well.

Honesty!  Especially for an elderly woman. I know that what is told needs done is what really needs doing! - Polly R. (recommended on Facebook)

Cylinder Head

At Carbon Valley Garage we offer only the best products to our Longmont drivers, that’s why we’re excited to announce the newest offering from Jasper Engines & Transmissions. JASPER is the nation’s leader in remanufactured engines and drivetrain products and now they are offering Ford/International 7.3L/444TE Diesel Cylinder Heads.

Cummins 6.7L

At Carbon Valley Garage we offer only the best products to our Longmont drivers, that’s why we’re excited to announce the expanded availability of the Cummins 6.7L ISB/QSB Rear Gear Running Complete engine from our partner Jasper Engines & Transmissions. JASPER is the nation’s leader in remanufactured engines and drivetrain products.

If you are experiencing issues with the current engine on your 2013-2018 medium-duty on-road trucks, agriculture, construction, and industrial applications you now have an affordable option for an engine replacement. This engine is available with and without head studs and is completely remanufactured using a standard set of new parts. At Carbon Valley Garage, we love JASPER products because we know that our customers can depend on the quality of the product while having peace of mind because of the warranty this great company offers.

  • Now Hiring
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  • 24-Hour Dropoff
  • Acdelco
  • Ari Fleet
  • ASE
  • BF Goodrich
  • BG Products
  • Bosch Automotive
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  • cbCharge Fleet Financing
  • Cooper Tires
  • Cummins Diesel
  • Donlen Fleet
  • Dunlop Tires
  • Duramax Diesel
  • Enterprise Fleet
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  • Goodyear
  • Ford Power Stroke Diesel
  • Handicap Accessible
  • Hankook Tires
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  • Loaner Car
  • Michelin
  • Mastercraft
  • Motorcraft Parts
  • NAPA AutoCare Center
  • Radiator
  • Shuttle Service
  • Smart Flow
  • State Inspection
  • Sumitomo Tires
  • Synchrony
  • Tires
  • Toyo
  • Uniroyal
  • 36 Month Warranty
  • WEX Fleet
  • Wifi Available

Carbon Valley Garage

13730 Deere Court
Longmont, CO 80504
Mead/Firestone Area
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location small (720) 378-7888
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SHOP HOURS

Weekdays:   8:00 AM - 5:30 PM
Weekends: Closed

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