10 Best Marine Gear Oil Of 2022 – Experts Opinion

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The Marine Gear Oil market is flooded with hundreds of different brands and models. With so many options, it can be challenging to find the right one. The fact is it is not an easy task to find the best Marine Gear Oil that will fit your needs. That's why to help you choose the right one, we have picked out the top 10 from hundreds based on our various criteria. We have ranked them according to their features, customer reviews, and price. So if you are looking to have the right Marine Gear Oil, look at our listing.

A Quick Comparison Of Our Top 10 Marine Gear Oil

NoProductScoreAction
1STAR BRITE Synthetic Blend Lower Unit Gear Lube 80w 90w - 1 GAL (027200)9.8Buy On Amazon
2Lucas Oil 10652- Synthetic SAE 75W-90 M8 Marine Gear Oil 1quart (Packaging May Vary)9.2Buy On Amazon
3Yamaha ACC-GEARL-UB-QT Gearcase Lube9.2Buy On Amazon
4Quicksilver 85W-90 Extreme Performance Gear Lube - 1 Quart9.2Buy On Amazon
5Mercury Marine New OEM High Performance Gear Lube with Hand Pump8.8Buy On Amazon
6Suzuki Marine 990A0-01E81-01Q ECSTAR Hypoid Gear Oil SAE 908.8Buy On Amazon
7Sierra 18-9650-5 Hi-Performance Gear Lube - 5 Gallons8.6Buy On Amazon
8Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives8.4Buy On Amazon
9STAR BRITE Hypoid 90w Lower Unit Gear Lube - 32 OZ (027132)8.4Buy On Amazon
10Volvo Penta GL-5 Synthetic Outdrive/Sterndrive Gear Lube Oil 75-90 Quart 11416798.4Buy On Amazon

Reviews Of Best Marine Gear Oil

After extensive research and field tests, we decided to write this unbiased review of Marine Gear Oil. Below you will find our top picks! We have ranked the top-rated products in terms of price-value ratio.

Table Of Content:

1. STAR BRITE Synthetic Blend Lower Unit Gear Lube 80w 90w – 1 GAL (027200)

  • Special extreme pressure and anti-wear additives
  • Recommended for all engines over 100 hp
  • Protects against rust & corrosion; great thermal stability
  • Recommended for all engines over 100 hp Protects against rust and corrosion

2. Lucas Oil 10652- Synthetic SAE 75W-90 M8 Marine Gear Oil 1quart (Packaging May Vary)

  • For best performance, follow the manufacturer’s recommendations in your vehicle owner’s manual.

3. Yamaha ACC-GEARL-UB-QT Gearcase Lube

  • New

4. Quicksilver 85W-90 Extreme Performance Gear Lube – 1 Quart

  • Designed for outboard and sterndrive racing application.
  • Also for use in high‑performance gearcases used in marine, powersports, and motorsports applications.
  • Provides maximum protection against wear.
  • Helps prevent horsepower loss and won’t break down when gears reach high temperatures.
  • Advanced emulsifiers protect gears if water enters the gear housing.
  • Should be changed once each year when winterizing the engine or every 100 hours of operation.
  • Developed & tested by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your marine engine.

5. Mercury Marine New OEM High Performance Gear Lube with Hand Pump

  • SKU: 91-8M0101435
  • Sold Each
  • Please verify your own fitment

6. Suzuki Marine 990A0-01E81-01Q ECSTAR Hypoid Gear Oil SAE 90

7. Sierra 18-9650-5 Hi-Performance Gear Lube – 5 Gallons

  • Protects gears, bearings and other gear case components
  • For use in high performance and high load operating conditions in both outboard and I/O lower units
  • Designed to surpass the performance of the O.E. Hi-Performance gear lubricants
  • GL-5 Rated Lube
  • 5 Gallon container

8. Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives

  • Formulated to protect against corrosion and excessive wear
  • Designed for outboard and sterndrive applications above 75 HP
  • Extreme pressure synthetic additives protect gears from metal to metal contact
  • 32 ounce bottle
  • SAE 90 viscosity

9. STAR BRITE Hypoid 90w Lower Unit Gear Lube – 32 OZ (027132)

  • Formulated with special anti-wear additives, rust and corrosion inhibitors.
  • These products exceed all engine manufacturers-Feet specifications and are designed specifically for the marine environment.
  • Recommended for use in Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha and Volvo Will not void manufacturers-Feet warranties For lower units of all outboard motors and stern drives.
  • The ultimate lubrication for maximum performance and economy.

10. Volvo Penta GL-5 Synthetic Outdrive/Sterndrive Gear Lube Oil 75-90 Quart 1141679

How To Choose Right Marine Gear Oil: A Complete Guide


You're not alone. There are many other people who feel the same way as you do. You would not believe how many people have asked us questions like: "How do I buy Marine Gear Oil that will suit my need? or "what to consider for getting the best one?"
Well, we are here to help you with all these questions. We have gathered a lot of information and tips for you to make it easier for you to buy the right Marine Gear Oil. How did we come up with the list, you ask? So how did we create this buying guide?
Well, we have done a lot of research on the internet and spent hours reading about different Marine Gear Oil. We also talked to many real users about their experiences.
For selecting the best Marine Gear Oil, our team and editors scanned almost 54807 reviews online and read nearly all of them. We have also talked to many real users who gave us their opinion about finding the value for money Marine Gear Oil, by blending their real experiences.
After that, we finally narrowed the list to 50, and to find out which are the top rated Marine Gear Oil, we tested each of them on our own. We spent hours finding out which is the most suitable product to help you fulfill your needs and worth buying!
In order to make this buying guide as accurate as possible, we have used a lot of criteria in our selection process, which are given in below:
  1. The Brand: We have taken into consideration the reputation of each Marine Gear Oil. We looked at how many positive reviews they have and if it has a large number of customers who are satisfied with their purchase.
  1. The Price How much is this? This factor is important because you will want to get Marine Gear Oil that are not too expensive. Therefore, we looked at their prices and how they compare with other similar products on the market today.
  2. Customer Reviews: We looked at the number of positive and negative reviews that each Marine Gear Oil have. This will help you decide if this is a product worth buying or not! We also made sure to read all customer feedback so we could make our own opinion on it based on real users' experience.
  3. Customer Ratings: We have looked at the average rating that each Marine Gear Oil has, and we made sure to pick those that are rated highly by their customers. We also looked at how many people gave it a high rating, so you can feel confident about buying this product!
  4. Value For The Money: We looked at the price of each Marine Gear Oil and considered the price-value ratio. We also made sure to compare the prices of other similar products so you can get a better idea about what this product will cost you!
  5. Availability: We looked at the availability of each Marine Gear Oil on the most popular online retailers. This will help you choose the top-notch Marine Gear Oil available in your country and not those from another country!

There are many Marine Gear Oil on the market, and it can be challenging to choose which ones you should buy. This is why we have put together this guide to help you decide what will benefit your life! We hope that our review of each product helped in making an informed decision and that you found this guide useful.
Also, the good news is we don't stop here each, and every week we will update you with all new reviews and the new models of Marine Gear Oil. Finally, we are also always open to suggestions, so please leave any tips or comments about this review below.

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