Automatic Transmission Rebuilders Association

On Wednesday 4/14 and Monday 4/19 the office will be closed from
9am – 12pm PST for company wide internal training.

During this time, if you need technical support please sign in and visit the
ATRA Technical Center for assistance. Sorry for the inconvenience and we appreciate your understanding.

Membership with Benefits

Powertrain Expo Golden Rule Warranty Seminars Training and Certifications Online Technical Support Center Access to Chilton Pro Mitchell1 DIY ATRA Hosted Websites Shop Finder Gears Magazine ... And So Much More!

Membership Building Blocks

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Join Automatic Transmission Rebuilders Association (ATRA), the world’s largest trade organization of transmission rebuilders, transmission specialists, and transmission part suppliers, with over 2,000 members throughout the United States and Canada.


Online Training

Transmission Coaching Podcast

Social Media

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