Automatic Transmission Specialists

Automatic Transmission Rebuild & Replacement

Transmission Repair San Antonio

  • Transmission Overhauls (CVT & Automatic)
  • Re-Manufactured
  • Transmission Repairs
  • Transmission Re-Sealing 
  • Transmission Exchange 
  • Custom High Performance (Diesel & Gas) 

Transmission Repair & Maintenance

  • Transmission Service & Filter Change
  • Transmission Flush
  • CVT Transmission Service 
  • Full Synthetic Fluid 
  • BG Fluid
  • Amsoil Fluid
  • Band Adjustment 
  • Transfer Case Service (4x4)
  • Differential Service 

Computer Diagnostics & Electrical Testing

Transmission Repair San Antonio

  • Solenoids
  • Pressure Switches & Sensors
  • Transmission Electrical Connections
  • Transmission Wiring 

Kosub Transmission Service Offers The Best Customer Service Around!

  • Kosub Transmission Service Inc. is a full service automatic transmission shop in San Antonio Texas.
  • Want to get your vehicle back to normal? Our highly trained technicians will help resolve your transmission issues. We are committed to delivering satisfied customers.   

Give Us A Call Today To Find Out What Quality Service Is All About.

Transmission Shop

  • There are a wide variety of problems that can occur with your vehicle's transmission. Kosub Transmission Service of San Antonio has the proper equipment and experience to locate, repair and or replace the issue quickly and effectively. 
  • Call us to take care of your transmission rebuilding, repair, and maintenance needs in San Antonio today. 

Established in 1996 Proudly Serving Customers of South Central Texas

  • Kosub Transmission Service is an independent family owned and operated transmission shop.
  • We specialize in automatic transmission repair, rebuild and maintenance.
  • All re-built transmission are done in house by our highly trained builders.


Contact Us

Gerald Kosub Transmission Service Inc

7455 US Highway 87 East, San Antonio, TX 78263, US

(210) 648-4991



8:00 pm – 5:30 pm


8:00 pm – 5:30 pm


8:00 pm – 5:30 pm


8:00 pm – 5:30 pm


8:00 pm – 5:00 pm