Diesel Transmission Service

Looking to upgrade your diesel transmission? Hy-Tech Transmissions specializes in rebuilding and upgrading diesel transmissions for maximum performance. 

See our DIESEL TRANSMISSION service page for more info!

Our Hours

  Monday 8AM - 5PM
  Tuesday 8AM - 5PM
  Wednesday 8AM - 5PM
  Thursday 8AM - 5PM
  Friday 8AM - 5PM
  Saturday CLOSED
  Sunday CLOSED


Click for the BBB Business Review of this Auto Repair & Service - Diesel in Saint Louis MO

St. Louis, MO

In the early 1970s, we founded Hy-Tech Transmissions as a family owned automobile repair shop serving the greater St. Louis area. Now, over 40 years later, we remain one of the most reliable repair shops in the region, with a reputation for high quality work and outstanding customer service. All of our technicians are certified by the ATRA and attend seminars and training classes every year to make sure they remain at the top of their field. At Hy-Tech, we specialize in transmission repair for all types of automobiles. A few of our other services include:

  • Suspension repair or replacement
  • Brake testing and repair
  • Electrical Diagnosis
  • Tune Ups
  • Water Pumps
  • Batteries and Alternators
  • Head Gasket repair or replacement
  • U-Joints
  • Free Local Towing

If you have trouble with these or any other aspects of your automobile, feel free to contact us. We guarantee you will speak to an owner or the technician directly responsible for your automobile repairs to ensure you receive the most accurate information. Contact Hy-Tech today for top service with transmission and other automobile repairs.

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