Transmission Rebuilding By Transmission Experts.

Kosub Transmission Service Inc

Gerald Kosub Transmission Service Inc. San Antonio Transmission Repair


Automatic Transmission Specialists

Automatic Transmission Rebuild & Replacement

Transmission Rebuild San Antonio

  • Transmission Rebuild
  • Transmission Repairs
  • Transmission Re-Sealing 
  • Transmission Exchange 
  • Custom High Performance (Diesel & Gas)

Transmission Repair & Maintenance

Transmission Service in San Antonio

  • 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 

Transmission Shop in San Antonio

  • Kosub Transmission Service is an independent family owned and operated transmission shop.
  • All re-built transmission are done in house by our highly trained builders.
  • Honest and Reliable Service Since 1996 
  • We specialize in automatic transmission repair, rebuild and maintenance. 

Transmission Shop

  • 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.  
  • Our staff and technicians combined have over 100 years of experience in the transmission industry. 

Transmission Shop in San Antonio


  • 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. 

Contact Us

Give Us A Call For Info

Gerald Kosub Transmission Service

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

(210) 648-4991


Open today

08:00 pm – 05:30 pm

Email Us