GEAR OIL

M8 SAE 80W-90 Marine Gear Oil
HOME / PRODUCTS / GEAR OIL / Marine Gear Oil SAE 80W-90 M8

Marine Gear Oil SAE 80W-90 M8

Lucas M8 SAE 80W-90 Marine Gear Oil is a 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 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
 

Packaging

#11153 1 Quart (Case of 6) 13 lbs
 

HEAR IT FROM OUR CUSTOMERS

I added this to the gas and was amazed… it stopped making the sound that I thought was a rod bearing.

My truck engine has over 200,000 miles and a knock started and I thought it was a rod bearing. I was reading the label on the product Complete Engine Treatment and the words, (stops engine knocks.) I added this to the gas and was amazed, and still am, it stopped making the sound that I thought was a rod bearing. I do have to add the treatment to each fill up, but it does work.
Jack

Now the engine is “humming” like it was brand new.

Complete Engine Treatment added to engine oil eliminated squeaking from engine during ignition and now engine is "humming" like it was brand new. 2003 LEXUS RX 300 108K.
Darwin F., Honolulu, HI

I would recommend Lucas products to anyone with a diesel…

I have been using Lucas products in my 2001 Ford diesel since new with much success, it has over 250000 miles and going strong. I would recommend Lucas products to anyone with a diesel.
Charles W., McCormick, SC

Nothing other than Lucas Oil products comes through the door of this shop EVER

I own a auto repair shop in Milton Ontario Canada and i use NOTHING but Lucas Oil products in my customers vehicles as well as my own vehicles. I have saved my customers tons of gas and their vehicles run pristine with the Lucas Oil products I use in there vehicles. Nothing other than Lucas Oil products comes through the door of this shop EVER.
Darrin H., Cambridge, MT

It helped my 2003 Mazda MPV van perform better.

Came to your site and found out about Complete Engine Treatment, so I got some of that too!! It helped my 2003 Mazda MPV van perform better. Thanks much.
Ed G.

RELATED NEWS

Lucas Oil Founder Forrest Lucas Honored Posthumously with Indiana’s Most Prestigious Sachem Award

January 8, 2026

Lucas Oil Founder Forrest Lucas Honored Posthumously with Indiana’s Most Prestigious Sachem Award
Lucas Oil President Katie Lucas Named Indiana Business Journal C-Suite Award Honoree

December 2, 2025

Lucas Oil President Katie Lucas Named Indiana Business Journal C-Suite Award Honoree
Morgan and Katie Lucas Named Outstanding Philanthropists of the Year by the Association of Fundraising Professionals

November 13, 2025

Morgan and Katie Lucas Named Outstanding Philanthropists of the Year by the Association of Fundraising Professionals
solid-white-shield