Transmission Fix

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Transmission Fix

Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use in any transmission for preventative maintenance. Use also in light duty manual transmissions to increase shifting ease and transmission life.

Key Benefits

  • Contains no solvents
  • Lowers operating temperatures and stops foaming
  • Can be added to existing fluid without draining any out
  • Effective in an extremely high percentage of cases

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* Size:


  • #10009 - 24 Ounce (Case of 12) - 19 lbs
  • #10087 - 5 Gallon Pail (1 Pail) - 40 lbs
  • #10141 - 55 Gallon Drum (1 Drum) - 440 lbs
  • #10154 - Per Gallon Tote (1 Tote)


Product Spec Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet

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Pat Svatek uses Lucas Transmission Fix in 1996 GMC Sierra

With about 240,000 miles on my '96 truck, I've suffered with less than optimal performance from the transmission for awhile now. Upon the advice from an auto parts employee, I added a bottle of your transmission fix. Guess what, I was skeptical at first (probably like most people), but two weeks later and a full tank of gas later and I'M a BELIEVER! The tranny shifts smoother, there's more power on the accelerations, and...the best part of all... I've gained a full 2 MPG increase over what I was seeing just prior to using your transmission fix! Thanks a bunch!

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