Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat Closed
  • Sun Closed
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636-441-8121 | 4600 Central School Rd Saint Charles, MO 63304

Diesel Engine Repair

Hardworking or just hard at play, Kar Tech services diesel trucks and jeeps from manufacturers such as GM, Chevy, Dodge, Ford and more. We also specialize in diesel engine repair for DuroMax, Power Stroke and Cummins.

Popular Brands We Repair and Service

  • Dodge Diesel
  • Ford Engines
  • DuroMax
  • Mercedes
  • Isuzu
  • Cummins
  • Power Stroke
  • GM Diesel Light Duty
  • Chevy

Choose Kar Tech For Your Truck's Next Diesel Service

Read our reviews and see for yourself that we provide the best, most convenient diesel engine services near you at affordable prices. Come into our repair shop in Saint Charles today and experience the unmatched expertise of our pro diesel mechanics. Our 5-star reviews make us one of the most recommended diesel repair shops in Saint Charles!

Discover More About Engine Repair Services At Kar Tech in Saint Charles

Undercar Services: Maintenance
Transmission Repair Services


What Our Customers Are Saying

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Always good work and fair prices. I have a Tahoe that I purchased new that now has 340,000 miles, and a bunch of Jeeps with 240,000 miles apiece, I credit Kar Tech for giving me the ability to keep my autos on the road so long.

, 05/19/2020

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Knowledgeable, Efficient, and Honest! Kar Tech diagnosed the problem, called me with an estimate, and completed the repair - at a very reasonable price!! I highly recommend this place!

, 05/19/2020

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Great people who have gone above and beyond to get my truck on the road. Honest and very fair. I couldn't ask for anything to have gone better.

, 05/19/2020

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I have used Kar Tech for the last 10 years with 3 different vehicles. I feel so safe and comfortable taking my car to them. I get honest feedback. The prices are great and the service is awesome. They always get me in quick and are great at explaining everything to me. I appreciate having them as my go-to more than they know. Thank you!

, 05/19/2020

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Nice family owned business who knows what their doing!

, 05/19/2020

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Friendly service and great prices. This has been my only mechanic for 15 years at least and will only go to them!

, 05/19/2020
  • ASE Master Technician
  • NAPA AutoCare Center
  • IDENTIFIX
  • Jasper
  • MITCHELL 1
  • Draeger
  • Motorcraft
  • Car Care Aware
  • Call Us For Service: 636-441-8121