Professional transmission rebuilders continue to trust the TransTec® brand and install our kits more than all other kits combined — one reason is 92% vehicle application coverage — the broadest in the industry. Our latest product updates are featured below — and don't forget to sign up to receive updates as soon as we introduce a new application.
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TransTec Automatic Transmission Solutions

Since 1978, TransTec® brand automatic transmission seal kits have been synonymous with the highest quality and dependability. As a brand of Freudenberg-NOK Sealing Technologies, the world’s largest producer of sealing products, TransTec is the only kit packager that is also an original equipment manufacturer of transmission components. It’s one of the reasons why more transmission professionals install TransTec kits than all other kits combined.