Heavy Duty

Power Steering


TransTec® brand automotive replacement parts offer the highest quality available in the aftermarket. Our products contain the same quality, design, and materials supplied to Original Equipment Manufacturers globally. When it comes to automotive sealing components, TransTec® is a name you can trust for world class products and dependability. It’s no wonder professional transmission, power steering, and heavy duty rebuilders trust and install TransTec kits more than all other kits combined.


TransTec® automatic transmission seal kits continue to be produced with the same high quality and dependability as when the brand debuted in the automotive aftermarket in 1978. As a brand of Freudenberg-NOK Sealing Technologies, the world’s largest producer of sealing products, TransTec® is the only aftermarket overhaul kit brand that is both an original equipment manufacturer and holds ISO-9000 certification. These are just a few of the many reasons why more transmission professionals install TransTec® kits than all other brands combined.

Heavy Duty Products

From our OE manufacturing expertise to our fully integrated packaging and distribution center and everything in-between, TransTec and our sister brands from Freudenberg-NOK are your complete solutions provider for Heavy Duty applications. We have a team dedicated to anticipating and servicing not only your individual needs, but the demands of the market in general. We provide extended application coverage, 1st to market product introductions, strong technical assistance and have engineers on staff developing innovative solutions for today’s most challenging performance requirements. We’ll help you get the job done right, the first time!


You’ll find the most complete line of domestic and import power steering seal kits in the familiar TransTec® black and gold packaging. This extensive offering is made possible by our parent company, Freudenberg-NOK Sealing Technologies, the world’s largest manufacturer of original equipment precision seals and gaskets. Additionally, TransTec continues to be on the forefront of developing solutions for electric power steering applications — to help power steering shops across the world transition to ever-changing technologies like EPS.

Professional Tools for Professional Technicians

In addition to our seal kits and components, TransTec has also developed an array of tools specifically designed for today’s professional technician. From gasket removal solutions to application-specific tools — TransTec is developing the tools you need to improve the productivity and profitability of your shop.

TransTec® Seal Kits and tools available worldwide

TransTec® brand kits have been supplied to the automotive aftermarket since 1978, establishing a name synonymous with quality and dependability. As a brand of Freudenberg-NOK Sealing Technologies, the world’s largest producer of sealing products, our transmission, power steering, and heavy duty kits can be found all around the world.

Need to ID the Transmission in a Specific Vehicle?

Access the TransTec® Online Transmission Application Guide — the original guide to automatic transmissions by vehicle.

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