Synthetic SAE 75W-90 M8 Marine Gear Oil

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Marine Gear Oil Synthetic SAE 75W-90 M8

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Lucas M8 Synthetic SAE 75W-90 Marine Gear Oil is a pure synthetic, non foaming, super slick, long lasting lubricant designed especially for marine applications. Originally designed for high powered off shore racing boats, M8 Marine Gear Oil contains seal conditioners and an exclusive blend of synthetic additives that protect from rust and wear caused by both fresh water and salt water during long periods of storage.

Excellent for use in any heavy duty / high performance stern drives, v-drives, gear boxes, wheel bearings and superchargers.

Key Benefits

  • Fortified with anti-foaming agents to prevent cavitation at high RPM's
  • Safely blends with all other known gear oils and additives
  • Protects against rust and moisture during long periods of storage
  • Provides rust and corrosion protection in both fresh water and salt water environments
  • Effective Water Resistance
  • Long Lasting
  • Resist Extreme Pressure
  • Extreme Friction Reducer


  • #10652 - 1 Quart (Case of 12) - 25 lbs
  • #10664 - 5 Gallon Pail (1 Pail) - 40 lbs


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

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Don Channel uses Lucas Fuel Treatment for D&S Automotive

I just thought I would write and tell you about the success I am having with your Fuel Treatment. I own a garage and wrecker service. The manager of my local O'Reilly store recommended your products to me. Let me preface this by adding that I am the #1 critic of "cures in a can". I started using the additive in my wrecker. The 454 engine has always required the premium octane fuel, otherwise it will detonate and have poor power. On it's best day the heavy truck has never got over 5.5-6 mpg. I have run about 6 tanks with the additive now. I just came in from a long distance tow, and the truck got 8.9 mpg! To some this may not seem like much gaining 2-3 mpg, but as the norm being 5.5-6 mpg that calculates to about a 50% increase in mileage! To top it all off I did this using 87-octane fuel (the cheap stuff)! I feel like I have put this product to the test and it passed with flying colors. I am looking forward to "testing" your other Lucas Products. Like I say, I call it a TEST because I AM NOT a fan of cure in a can.

Don Channel
D&S Automotive

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