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10 Best Gear Oils 2024 in the US

Winner

Valvoline

Valvoline

Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil 1 QT

10.0

score

Mobil1 104

Speedway Motors

Mobil1 1043611 Full Synthetic Gear Lubricant, 75W-90 Quart 6 PK

9.1

score

Quicksilve

Quicksilver

Quicksilver by Mercury Marine 80W-90 Premium Gear Lube, Marine Engine, 32 oz.

8.8

score

Lucas Oil

LUCAS

Lucas Oil 10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon

8.5

score

Valvoline

Valvoline

Valvoline High Performance SAE 80W-90 Gear Oil 1 QT

7.9

score

Yamaha Ori

YAMAHA

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

7.6

score

Lucas Oil

LUCAS

Lucas Oil 10048 Synthetic SAE 75W-90 Gear Oil - 1 Gallon

7.6

score

Lucas Oil

Lucas Oil

Lucas Oil 10043 SAE 80W-90 Heavy Duty Gear Oil - 1 Quart

7.6

score

Lucas LUC1

Lucas Oil

Lucas LUC10122 75/140 Synthetic Gear Oil - 1 Gallon

7.3

score

Mercury Me

MERCURY

Mercury Mercruiser OEM High Performance Gear Oil Quart 32oz. 92-858064K01

7.0

score

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