Our services include:

  • Free road test and diagnostic scan
  • Automatic, standard shift & transfer case repair
  • Transmission fluid and filter changes
  • Universal joint and CV axle repair
  • Fleet service and repair
  • Performance transmission repair
  • Front & rear differential service
  • Large Vehicle Specialists

Transmission diagnostics to quickly and accurately identify and treat whatever symptoms your auto is experiencing.


We repair automatic transmissions as well as manual transmissions. We are a full service transmission repair shop. Our skilled technicians rebuild your transmission in-house. We can rebuild domestic and foreign car and truck transmissions including 4-wheel drive. Feel free to call for a estimate. The quality of our work is unsurpassed. We believe in personalized service.



Many companies and organizations maintain fleets of vehicles for a variety of reasons. Superior Transmission offers fleet services in Seattle, Washington. We aim to establish strong, lasting relationships with fleet owners to ensure that fleet vehicles run smoothly for as many miles as possible. By working within the unique needs of each client, we create partnerships with fleet owners across the Puget Sound region.