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10 Best gear oils in Canada
Best Choice01Lucas OilLucas Oil LUC10048 10048 SAE 75W-90 Synthetic Transmission and Differential Lube - 1 Gallon
Main highlights- Stands up to high temperatures
- High performance
- Heavy duty
9.7Exceptional
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Value for Money02ValvolineValvoline SynPower SAE 75W-90 Full Synthetic Gear Oil 1 GA
Main highlights- Recommended for conventional and limited slip differentials and non-synchronized manual transmissions where API GL-5 or API GL-4 fluid is specificed
- Helps provide outstanding thermal stability for cleanliness and longer service life
- Contains special additives to assist in protecting gear teeth from rust and corrosion and reduce chattering in limited-slip differentials
9.4Excellent
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- 03Valvoline
Valvoline Daily Protection 80W-90 Gear Oil 1 QT
Main highlights- Meets or exceeds API Services GL-5 and non-synchronized manual transmissions calling for GL-4
- Fights rust and corrosion with corrosion inhibitors and safeguards against impurities, oxidation and thermal breakdown
- Extreme pressure additives deliver outstanding high pressure performance, load carrying capacity and durability for towing and hauling
- Exceptional high and low temperature protection ranges from -15F to 410F for dependable year-round coverage
- Daily protection gear lubricant helps prevent noise and chattering, while protecting gear teeth from wearing out prematurely
9.3Excellent
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- 04Lucas Oil
Lucas Oil 10043 SAE 80W-90 Heavy Duty Gear Oil - 1 Quart
Main highlights- Helps to control heat
- Excellent for high performance and heavy-duty applications
- Contains special anti-wear and lubricity agents
9.2Excellent
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- 05Valvoline
Valvoline 773732 High Performance Gear Oil 80W90, 3.78l
Main highlights- Recommended for all hypoid differentials (conventional and limited slip) and manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or MT-1 fluid is specified.
- High speed, high torque and high horsepower conditions
- An extreme pressure gear lubricant designed for a wide range of applications.
9.1Excellent
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- 06Quicksilver
Quicksilver 92-858064Q01 High Performance Gear Lube
Main highlights- SAE 90 viscosity
- Manufacturer part number 8M0222065
- Lower unit gear oil formulated to protect against corrosion and excessive wear
- Extreme pressure synthetic additives protect gears from metal to metal contact
- Designed for outboard motor lower unit and sterndrive applications above 75hp
8.9Very Good
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- 07TRIAX
TRIAX Synergy Gear Max 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)
Main highlights- OUTSTANDING PERFORMANCE: Better protection than 99% of the other gear oils on the market, including major brands/OEM fluids, and is nearly shearless, ensuring it will not break down under extreme conditions
- FOR USE IN: Hypoid and ring gears, differentials, limited slip, heavy duty highway, passenger cars, heavy duty off-road, racing/drifting
- EXTREME DRAIN INTERVALS: PAO and Esters formulation lasts up to 500,000 miles for heavy-duty trucks and passenger cars, and 750,000 miles for Class 8 highway trucks
- EXCELLENT WEAR CONTROL: Up to 62% less wear than OEM specifications across various standards, exceptional load-bearing capacity—exceeding the highest Stage 14 load test rating—while effectively preventing gear pitting, scuffing, and glazing
- EXCEEDS EP, AW TESTS FZG & L-37: Proven protection far beyond spec requirements, delivers excellent extreme pressure (EP) and anti-wear (AW) performance in a wide range of LS and NON-LS gear systems, with hypoid and other gears
8.8Very Good
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- 08Red Line
Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart
Main highlights- This product is not designed for use in most manual transmissions or transaxles in passenger vehicles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems
- Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360 and Chrysler spec MS-9763
- Most popular Red Line gear oil, with thousands of applications for passenger cars, light trucks and racing vehicles
- Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
8.6Very Good
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- 09Valvoline
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 QT Pouch
Main highlights- Works in tight spaces and makes gear oil easier to use
- Full synthetic formula for exceptional high and low temperature protection
- Excellent thermal stability designed to protect oil from high temperature breakdown
- Contains an extreme pressure additive for better load carrying capacity and wear protection
8.5Good
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- 10TRIAX
Triax Gear Premium LS 80W-90, GL-5 Limited Slip Ready, Manual Transmissions, Hypoid Gear Systems, Differentials, NATO Military Approved, Widest OEM Specification Range (1 Gallon)
Main highlights- WIDEST SPEC RANGE ON THE MARKET: widely compatible with a very large number of hypoid gear systems, differentials, transmissions and axle assemblies.
- SHEAR STABLE - Excellent thermal stability and high load capacity without viscosity breakdown, facilitates excellent film strength under high loads, high temp and high shear conditions.
- SEVERE SERVICE MAX: Exceptional shear stability and oxidation resistance. Polyphosphate EP proprietary additive system offers substantial improvement in performance over previous generation, low cost, gear oils
- OUTSTANDING SCUFFING PROTECTION - Superb gear and syncron protection, facilitating extremely long transmission life. Exceeds Load Stage 13 extreme pressure requirements beyond 120,000 lbs / sqi.
- BUILT IN LIMTED SLIP ADDITIVE - Does not require "additional" LS additive. Its built into the product, optimized for all limited slip differentials, including those with built in wet brakes.
8.2Good
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