No one knows transmissions & torque converters like


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

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Sonnax Acquires New R&D Center

A third facility recently joined Sonnax headquarters and distribution centers in Bellows Falls, Vt. On July 7, the employee-owned company purchased a former manufacturing space located only a quarter mile from existing Sonnax sites to house the company’s research and development teams.

“I am very excited to have the room to expand”, said Sonnax Senior Vice President of Development Steve Jaussaud. “We continue to grow, and have been getting tight on space....Read More

New Sonnax Zip Kit® Video!

Sonnax Zip Kits deliver the most effective, easy-to-install, affordable combination of parts for tackling multiple shift concerns in a variety of units. These award-winning kits target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission.

Watch this...Read More

New Transmission Parts Catalog Coming Fall 2014!

Releasing this Fall, the much anticipated, Transmission Parts Catalog Vol. 9 will be jam-packed with 500+ new parts listings, 12 new units - with full valve body illustrations - and more! Stay tuned for additional details.

Sonnax Roadshow - Revamped!


Building on three years of success, the Sonnax Roadshow is being revamped to reach an even larger audience. The Sonnax team will travel cross country to work one-on-one with rebuilders in the shop, helping to:

  • Troubleshoot valve bodies
  • Evaluate repair options
  • Teach advanced skills pioneered by Sonnax

Follow Roadshow updates on <a...Read More

Summer Edition of Transmission Report Now Available!

The summer edition of Transmission Report is now available and features lots of great content including:

  • Aisin AW 55-50SN Solutions
  • Sneak peek at the new TF-60SN Clutch Control Kits
  • Sonnax Roadshow –Revamped!
  • Honda 4/5 Speed Valve Identification Tips and more!

Request a hardcopy or read it...Read More

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