Extreme Duty Marine ATF

Extreme Duty Marine ATF

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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This is by far the best product I have ever used.

This is by far the best product I have ever used. I use this on black finished. On my 1999 Harley Road King, 2014 Sting Ray Corvette and my 2011 GMC Terrain all three are black. It leaves the finish on all three much shinier than the factory. This is a polish and not a cleaner. In other words it takes what it has to work with and makes it beautiful it does not remove fine scratches or pine tar. Lucas wax rocks.
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