Outboard Engine Oil Synthetic SAE 10W-40

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Outboard Engine Oil Synthetic SAE 10W-40

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Lucas Synthetic SAE 10W-40 Outboard Engine Oil is formulated especially for the harsh conditions of high speed watercrafts. These outboard engine oils are catalyst compatible and designed for 4-Stroke applications but also work well in Inboards and Personal Water Crafts.

Long lasting and safely blends with synthetic & non-synthetic oils, Lucas outboard engine oils are fortified with a special blend of synthetic additives that coat all moving parts to guard against rust and moisture during long periods of storage.

Key Benefits

  • Excellent for use with supercharged, turbo charged or nitrous oxide high performance engines
  • Protects against rust and moisture during long periods of storage
  • Safely blends and is compatible with synthetic and non-synthetic oils
  • Provides rust and corrosion protection in both fresh water and salt water environments
  • Effective Water Resistance
  • Long Lasting
  • Resist Extreme Pressure
  • Extreme Friction Reducer
  • Contains a special additive package to improve wear protection and increase catalyst life in newer outboards using catalytic converters
  • NMMA® Certified to meet or exceed FC-W (CAT) performance
  • Meets JASO MA standards for air-cooled motorcycles and all-terrain vehicles
  • Meets industry standard API SM (automotive)


  • #10662 - 1 Quart (Case of 6) - 13 lbs
  • #10813 - 5 Quarts (Case of 3) - 31 lbs


Product Spec Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet
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Gary found Lucas Oil 5W-30 increased oil pressure & MPG while smoothing out and quiting the engine idle on his 97 Camaro

Hey Lucas team! I wanted to say that i've been using your oil additive for several years in my 89 chevy 1500 and I used it once in my 97 camaro, well it made that truck run like new, but I couldn't tell a difference in my camaro wich has145k miles on it, it's a 1997 Z28, so a few days ao I changed my oil and this time I used your 5w-30 motor oil by itself and I got it on sale with a filter for 20$ at autozone, it was too good to be true, well the second I started the car after the change, and the oil pressure caught up, my engine got quiet and the idle smoothed out instanly, I'm amazed at how much smoother it drives now I'm never going to change oils again, it's getting better mpg's, and just runs so much better! Thanks! Next I'm going to try your transmission additive and I know you won't let me down, I've also used the injecor cleaner and it works like a charm. Lucas is #1


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