Automatic Transmission Rebuilders Association

ATRA will be closed Wednesday 11/25 – Friday 11/27 in observance of Thanksgiving.
We'll be back to our normal working hours next week. Happy Thanksgiving to you and your families!

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

Hover to reveal benefits.

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.


Technical Seminars

Upcoming Events

Transmission Coaching Podcast

Social Media

To top of page