No one knows transmissions & torque converters like


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

Recent News

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July Edition of Torque Converter Journal Now Available!

The latest edition of the Torque Converter Journal has just been added to the Sonnax website! This valuable newsletter is jam-packed with hot topics including:

  • Defending the Duramax Diesel against Allison 1000 stator weakness
  • Preventing Honda/Acura converter overheating
  • Fraudulent parts warning
  • New parts guide
  • Website tips & tricks

You can now easily download and/or print the full 8-page pdf for your reading pleasure. Click here to check it out now!

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Sonnax Closed on Friday, July 3rd

Sonnax will be closed on Friday, July 3rd, 2015 in observance of Independence Day. Normal business hours will resume the following Monday. Have a happy, safe holiday weekend!


Sonnax Extends Tech Support Hours

Great news! Just in time for peak summer driving season, Sonnax is extending the hours of our tech support team to give you more access to the answers you need, when you need them. Whether it’s pre-opening hours out west, or after hours back east, we’ve got you covered!


  • 8:30 a.m. to 7:00 p.m. ET
  • 5:30 a.m. to 4:00 p.m. PT

When you bring Sonnax into your shop, you get the best parts, the best tools – AND the best support. Trust our team of seasoned automotive professionals and pro

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Latest Sonnax Webinar Recording & Slides Just Released!

Get full access to the recorded presentation and slides from the latest Sonnax Webinar! You'll learn about important concerns and proven repair techniques for GM Gen. 1 6T70/75/80 and Ford 6F50/55 transmissions including:

  • Hydraulic Systems
  • Pressure Switch Functions
  • Gen. 1 & 2 Differences & Identification Tips
  • Valve Body & Pump Diagnostics

Click here to view this free webinar now!

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Sonnax volunteers donned orange B2VT Ride Road Crew shirts to provide cyclists with refreshments.

Sonnax Hosts 2015 B2VT

On Saturday, June 13, Sonnax Industries hosted the final of three rest stops on the 2015 B2VT Ride that ran from Bedford, Mass., to Okemo Mountain Resort in Ludlow, Vt. The employee-owned company offered the use of its headquarters off Route 5 in Bellows Falls and a team of 11 volunteers to provide more than 1,000 cyclists with food and water. This is the second year Sonnax has sponsored the elite New England bicycling event, and as thanks for the support, B2VT donated $2,000 on behalf of Son

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