Best Marine Lower Unit Gear Oil

With numerous Best Marine Lower Unit Gear Oil brands to select from – including big names like Quicksilver,STAR BRITE,Lucas Oil,Yamaha,Slippery Pete – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Marine Lower Unit Gear Oil.

We thoroughly tested and evaluated a wide range of top Best Marine Lower Unit Gear Oil contenders to help you navigate the crowded market. Our stand-out favorite is Quicksilver Best Marine Lower Unit Gear Oil for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Marine Lower Unit Gear Oil picks currently available.

Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Marine Lower Unit Gear Oil. With our research backing your decision, you can confidently invest in a Best Marine Lower Unit Gear Oil you’ll truly love.

Top Pick

Quicksilver 858064Q01 SAE 90 High Performance Gear Lube , 32 oz

9.8

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Budget Pick

Quicksilver 80W-90 Premium Gear Lube - Marine Engine - 32 Ounce

9.5

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Top 10 Best Marine Lower Unit Gear Oil

We researched and compared the top products in the Best Marine Lower Unit Gear Oil category to provide you with these recommendations.

1. Quicksilver 858064Q01 SAE 90 High Performance Gear Lube , 32 oz

9.8

Quicksilver

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Lower unit gear oil formulated to protect against corrosion and excessive wear
Designed for outboard motor lower unit and sterndrive applications above 75hp
Extreme pressure synthetic additives protect gears from metal to metal contact
SAE 90 viscosity
Manufacturer part number 858064Q01

2. Quicksilver 80W-90 Premium Gear Lube - Marine Engine - 32 Ounce

9.5

Quicksilver

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Provides maximum protection against excessive wear, corrosion and pitting for extended gear life in marine applications
Contains additives to protect gears if water enters the gear case or lower unit
Recommended for use in outboard motor gear cases and marine lower units in applications below 75hp
80W-90 viscosity
32-ounce bottle (pack of 6)

3. STAR BRITE Hypoid 90W Lower Unit Gear Lube - Ultimate Marine Grade Lubricant for Outboard Motors &

9.1

Star Brite

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MAXIMUM MARINE PERFORMANCE - Specially formulated for outboard motors and stern drives, ensuring peak efficiency in marine conditions
ADVANCED PROTECTION - Features anti-wear additives and corrosion inhibitors, safeguarding against harsh marine elements
WIDE COMPATIBILITY - Ideal for use in major brands like Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha & Volvo, ensuring versatile application
PRECISELY ENGINEERED - Meets rigorous specs for API MT-1, GL-5, SAE J2360, MIL-L-2105E for trusted quality
RUST AND CORROSION INHIBITOR - Shields gear components from rust, prolonging their lifespan in marine environments
WARRANTY SAFE - Complies with engine manufacturer specifications, ensuring no voiding of warranties
EASY APPLICATION - Instructions included for effortless use with the recommended Star brite Lower Unit Quart Pump (027400)
PROUDLY AMERICAN, TRUSTED GLOBALLY - Star brite - Your choice for superior, USA-crafted marine, auto, and outdoor products since 1974

4. Lucas Oil 10652 Marine Gear Oil - 32 oz. (packaging may vary)

8.9

Lucas Oil

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Fortified with anti-foaming agents to prevent cavitation at high RPM's
Safely blends with all other known gear oils and additives
Provides rust and corrosion protection in both fresh water and salt water environments and during long periods of storage
Resists extreme pressure and reduces extreme friction
Long lasting with effective water resistance

5. Yamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - 1 Quart

8.7

Yamaha

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Original Yamalube Yamaha OEM Marine Lower Unit Gearcase Lube ACC-GEARL-UB-QT
Includes: (1) Quart
Superior marine lubricant designed to protect gearcase components operating at high speeds for extended periods in fresh or saltwater applications, includes robust rust and corrosion inhibitors for long life.
This Yamalube Marine Gear Case Lube is intended for use in all outboards of 250 HP or less (excluding Yamaha 4.2L V6 outboards).
Made by Yamaha specifically for Yamaha

6. Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel,

8.5

Slippery Pete

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PUMPS 8CC PER PUMP STROKE (Includes Metal 3/8" Adapter Connected To Clear Plastic Tubing)
THIS GEAR OIL CHANGE KIT includes 3 adapter sizes. 3/8"(Swivel, Metal), 8mm and 10mm (Metal). Take the guess work out of figuring out the size of your Lower Unit's gear oil drain plug. (WON'T FIT VOLVO PENTA)
2 Rigid Suction Tubes REACHES TO BOTTOM OF TALL AND SHORT GEAR OIL BOTTLES
Easy To Follow Instructions On Back Of Header Card
Re-closeable Poly Bag for Storage

7. Yamaha Original OEM Yamalube Acc-GLUBE-HD-QT Marine Lower Unit HD Gearcase Lube Yamalube OEM - 1

8.3

Yamaha

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Original Yamalube Yamaha OEM Marine HD 80W-90 Gearcase Lubricant ACC-GLUBE-HD-QT
Includes: (1) Quart
Superior marine lubricant designed to protect gearcase components operating at high speeds for extended periods in fresh or saltwater applications includes robust rust and corrosion inhibitors for long life.
This Yamalube Marine Gear Case Lube is intended for use in all Yamaha 4.2L V6, V8, and VMAX SHO 225 & 250 HP Outboards.
Made by Yamaha specifically for Yamaha