Top 8 Lower Unit Gear Oil – Gear Oils

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1. Quicksilver

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32 oz, Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives

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Quicksilver #ad - Sae 90 viscosity. Formulated to protect against corrosion and excessive wear. Extreme pressure synthetic additives protect gears from metal to metal contact. Designed for outboard and sterndrive applications above 75 HP. 32 ounce bottle.
BrandQuicksilver #ad
ManufacturerQuicksilver #ad
Height9.87 Inches
Length7.62 Inches
Weight1.01 Pounds
Width8.75 Inches
Part Number92-858064Q01
Model92-858064Q01

2. Slippery Pete

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Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8" Metal Swivel, 8mm and 10mm Adapters to Fit Most Major Marine Boat Outboard Motors, Slippery Pete

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Slippery Pete #ad - This gear oil change kit includes 3 adapter sizes. Pumps 8cc per pump stroke includes metal 3/8" adapter Connected To Clear Plastic Tubing. 3/8"swivel, metal, 8mm and 10mm Metal. 100% money back guarantee, 100% packaged and inspected in the usa. Take the guess work out of figuring out the size of your motor's gear oil drain plug. 2 rigid suction tubes reaches to bottom of tall and short gear OIL BOTTLES!! Easy to follow instructions On Back Of Header Card.
BrandSlippery Pete #ad
ManufacturerSlippery Pete #ad
Height1 Inches
Length9 Inches
Width6 Inches
Part Number573164
Model573164
Warranty90 days from date of purchase

3. QuickSilver

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858058Q01 Premium Gear Lube 80W-90

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QuickSilver #ad - Special additives protect gears from metal to metal contact. Exclusive formulation helps improve film adhesion to gears. Formulated to protect against corrosion and excessive wear. 25w-40 viscosity. Designed for outboard applications below 75 HP. Improved emulsifiers protect gears should water enter the gear housing.
BrandQuickSilver #ad
ManufacturerQuicksilver #ad
Height9.25 Inches
Length4 Inches
Weight1.8 Pounds
Width2.38 Inches
Part Number858058Q01
Model858058Q01

4. Harvard Marine

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MERCURY QUICKSILVER 32oz HIGH PERFORMANCE GEAR LUBE & PUMP KIT: FITS MOST OUTBOARDS STERNDRIVES OUTDRIVES LOWER UNITS

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Harvard Marine #ad - Gear lube Pump. See description for Fitting. Mercury quicksilver High Performance Gear Lube 32oz. Fits 3/8-16 drain Screws.
BrandHarvard Marine #ad
ManufacturerQUICKSILVER #ad
Weight2 Pounds
Part Number802891Q05

5. STAR BRITE

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Star brite Synthetic Blend Lower Unit Gear Lube 80w 90w, 32 oz

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STAR BRITE #ad - Recommended for use in mercury, force, OMC, Evinrude, Suzuki, Johnson, nissan, Mercruiser, Mariner, Yamaha and Volvo. These products exceed all engine manufacturers-Feet specifications and are designed specifically for the marine environment. High performance to meet the needs of high powered marine engines. Superior thermal stability Protection over a wide temperature range. Recommended for all engines over 100 hp Protects against rust and corrosion.
BrandSTAR BRITE #ad
ManufacturerStar brite #ad
Height9 Inches
Length2.25 Inches
Weight2 Pounds
Width4.25 Inches
Part Number027232
Model027232

6. PWC Parts Co

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ACC-GEARL-UB-QT Lower Unit Oil, 90430-08003-00 Gaskets 2 Stroke 4 Stroke F15 F20 F25 F40 F50 F60 F70 F75 F90 F115 F150 F175 F200 F225 F250 150 175, YAMAHA Yamalube OEM Outboard Gear Lube Kit w/Pump

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PWC Parts Co #ad - Genuine oem yamaha lower Unit Gear Lube & Gaskets. Includes lower Unit Gear Lube Quart Pump. Fits all yamaha outboards that use SAE 90 Gear Lube. Keep your yamaha outboard running at peak performance with OEM Genuine Yamaha Parts.
BrandPWC Parts Co #ad
ManufacturerPWC Parts Co #ad
Part NumberPWC-YM-0520-KT

7. Lucas Oil

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32 oz. packaging may vary, Lucas Oil 10652 Marine Gear Oil

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Lucas Oil #ad - Provides rust and corrosion protection in both fresh water and salt water environments and during long periods of storage. Fortified with anti-foaming agents to prevent cavitation at high RPM's. Resists extreme pressure and reduces extreme friction. Safely blends with all other known gear oils and additives. Long lasting with effective water resistance.
BrandLucas Oil #ad
ManufacturerLucas Oil #ad
Height11.6 Inches
Length3.3 Inches
Weight2 Pounds
Width3.3 Inches
Part Number10652
Model10652

8. YAMAHA

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1 Quart, Yamaha ACC-GEARL-UB-QT Gearcase Lube

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YAMAHA #ad - 80w-90 weight. Genuine oeM Yamaha Part. Recommended for yamaha outboards and stern drives except V8, V6 VMAX SHO, and 2010 and newer V6 offshore models. High viscosity formula protects drives from high speed and high load use 1 quart bottle. Formula includes unique rust and corrosion inhibitors to protect internal engine components even in saltwater environments.
BrandYAMAHA #ad
ManufacturerYamaha #ad
Height10 Inches
Length10 Inches
Weight2 Pounds
Width7 Inches
Part NumberACC-GEARL-UB-QT
ModelACC-GEARL-UB-QT