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The 6L80 and 6L90 transmissions are GM's six-speed units for trucks and high-performance cars progressively taking the place of the 4L60E and 4L80E families beginning in 2006.

  • Latest Design OE dot matrix QR label is used to prevent 1-4 failures

  • 100% TEHCM updated to latest version

  • All seals, rubbers, films are updated to Sonnax latest design/helps with delamination

  • 100% Machining of stator, pump, and bellhousing with specific emphasis on alignment helps with pump consistency

  • 100% Dyno Testing-Reduces the chance of installation delays

Our experience at PowerSource is unmatched, so feel free to contact us via the Chat option or call us on the toll-free line and we'll be happy to do more than read a script to you; we have actual building and repair experience.

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