No one knows transmissions & torque converters like


No one knows transmissions & torque converters like 2008-sonnax-logo-white

Upcoming Events

See All Events

Recent News

Keep up with the latest from Sonnax. Become a Sonnax Insider today!

NEW! Sonnax High Performance Web Pages

The high performance section on the Sonnax website has undergone a complete rebuild! We’ve custom designed 5 new pages featuring the most popular performance applications, hot new parts, 4L60-E series interactive build charts and more! Start on the main high performance page and explore the area to find the ideal upgrades for your ultimate rebuild!

Sonnax TASC Force® Tackles Rising Industry Trends

The Sonnax TASC Force® held a meeting in Frankfurt, Germany following the 2014 Automechanika Show in September. The meeting received excellent attendance with participants from 10 countries ranging from all over Europe and the Middle East, making it a tremendous success.

The Sonnax Technical Automotive Specialties Committee (TASC) Force is composed of experienced transmission rebuilders and technicians who value...Read More

Visit Sonnax in Vegas!

Visit Sonnax in Las Vegas at two of the hottest tradeshows in the industry - Powertrain Expo & the SEMA Show! Don't miss this exciting opportunity to talk shop with our team and get an up-close look at our featured selection of cutting-edge parts including our high performance, chromoly slip yokes, innovative pressure switch rebuild kits, Powerglide® gear sets,...Read More

Sonnax Closed on Labor Day

Sonnax will be closed on Monday, 9/1, for Labor Day so please make sure to get your orders in today! Normal business hours will resume on Tuesday. Wishing you a wonderful holiday weekend filled with family, friends and fun!

Sonnax Roadshow Season Begins in New York!

Building on three years of success, the Roadshow has been revamped for 2014 to reach an even larger audience. The Sonnax team is traveling cross country in a custom tech van to train rebuilders in the field!

Work one-on-one with Sonnax experts to learn:

  • Transmission troubleshooting
  • Vacuum testing diagnostics
  • Valve body reaming
  • ...Read More
Read News Archive