Extreme Duty Marine ATF

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Extreme Duty Marine ATF

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Lucas Extreme Duty Marine ATF is a blend of specific synthetic base oils and a special Lucas additive package designed to create a high friction fluid that allows shifting clutches in the transmission to lock up and engage quickly. A faster shift means less clutch slippage, therefore, less heat and wear in the transmission.

Fortified with special synthetic additives that coat moving parts to protect against rust and moisture during storage.

Key Benefits

  • Pure Synthetic
  • High performance, high torque, non-electronic shift transmissions. Ensures firm shifting which improves performance and prolongs clutch-life
  • An easy flowing fluid with superior heat transfer capabilities
  • Expect excellent performance cold or hot
  • Contains special anti-foaming agents
  • A stable long life fluid - perfect for irregular maintenance
  • Safely blends with other synthetic & non-synthetic fluids


  • #10651 - 1 Quart (Case of 6) - 13 lbs


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

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Steve Sopko uses Lucas Fuel Treatment in 2000 Pontiac Grand Prix

I recently put a bottle of your Tune Up In A Bottle in my Daughters 1997 Chevy Venture Van. She never kept track of her mileage but stated that she has never traveled that far on a tank of gas before on her recent trip to North Carolina. This past weekend I drove my son-in-law back home to Camp Lejeune NC and used your product in my own vehicle. I used one bottle on the trip down and one bottle on the trip back. My fuel mileage went from the usual 23.7 mpg highway to 28.1 mpg highway after the second bottle. I am going to start using it in all our vehicles and maybe even see if I can stop some transmission slippage with your Transmission fix. I am sold !!!!! And plan to spread the word !! Thanks

Steve Sopoko

Cleveland, Ohio

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