General Motors 6T40 Generation III Transmission Teardown

The GM 6T40 Generation III Transmission from the GTXX Family is found in the Chevrolet Cruze and Trax as well as the Buick Verano, Encore, and Regal. You’ll notice there are some slight variations from Generations I and II.

    TransTec Products for 6T40 Generation III Transmission

    Overhaul Kit 6T40 GEN 3 2014-UP (w/o Pistons / w/ Start Stop)
    Overhaul Kit 6T40 GEN 3 2014-UP (w/ Pistons / w/ Start Stop)
    Piston Kit

    Automatic Transmission Seal Kits and Tools

    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.

    TransTec® Transmission Seal Kits available worldwide

    TransTec® brand transmission seal kits have been supplied to the automotive aftermarket since 1978 and are available through distributor all around the globe.

    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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