Best Gear Oils

of Feb 2025

   In the realm of automotive maintenance, gear oils play a pivotal role in ensuring the smooth operation and longevity of your vehicle's transmission and differential systems. These specialized lubricants are designed to withstand extreme pressures, reduce friction, and protect metal components from wear and tear, ensuring optimal performance and extending the life of your vehicle's drivetrain. Choosing the right gear oil for your specific vehicle and application is crucial, as different types of gear oils are formulated with varying viscosities, additives, and performance characteristics to meet the unique demands of different vehicles and operating conditions.

Lucas Oil 10043 SAE 80W

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Lucas Oil 10043 SAE 80W-90 Heavy Duty Gear Oil is a synthetic blend of oils designed to provide ultimate protection and longevity to your vehicle’s drivetrain components. Its built to perform and wi...thstand the toughest off-road conditions while also providing great protection on the streets. This high-performance formula was designed to keep your vehicle’s differentials, axles, and transfer cases running reliably, even over long distances and in extreme climates. The extreme pressure (EP) additives ensure complete lubrication of metal components and the silicone formulation helps reduce wear and tear on metal parts. This oil is the perfect choice for your car, truck, SUV, or any other vehicle with a manual transmission or transfer case. It comes in a convenient 1-quart bottle, making it easy to store and top off periodically. Keep your vehicle’s drivetrain running smoothly with Lucas Oil 10043 SAE 80W-90 Heavy Duty Gear Oil.

Silkolene 601449062 Light Gear Oil

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Silkolene 601449062 Light Gear Oil - 75W80-1L is a synthetic fortified blended 2-stroke gear oil designed to provide outstanding anti-wear properties, even under the most severe loads. This advanced o...il has been developed to provide advanced protection and performance in offroad and competition transmissions, and it meets API-GL3 and GL4 requirements for motorcycles and ATVs. With an SAE rating of 75W80 (Gear), 10W40 (Engine), this powerful oil can be used in all wet clutch systems including those made with Kevlar without any problem. 1. Synthetic fortified blended 2-stroke gear oil: This oil contains an advanced blend of synthetic oils, antioxidants and anti-wear additives, providing superior protection against wear and tear, even in the most extreme driving conditions. The synthetic compounds also work to enhance the lubricity of the oil, greatly reducing the chance of component damage and helping to reduce fuel consumption.

Castrol

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Castrol 15B811 37517 Syngear 80W-140 Gear Lubricant is a premium synthetic, heavy duty, multi-grade gear lubricant that meets the stringent requirements of API GL-5 service. Engineered to provide prot...racted protection and improved fuel economy, Syngear 80W-140 is formulated with 100 percent synthetic base stocks providing excellent oxidation control and thermal stability. The advanced additive package provides protection against rust, corrosion, and wear, protecting against premature bearing failure and gear tooth wear. Syngear 80W-140’s latest formulation features improved low temperature properties and shear stability, providing excellent protection during hard driving and temperatures down to -28°C. This helps to safely extend service intervals while conserving fuel in the process. Syngear 80 W-140 also meets the demanding requirements of: API GL-5, MT-1, MIL PRF 2105E, SAE J2360, Mack GO-J Plus, and International TMS 6816, making it specifically designed for vehicles and equipment commonly used in North America, Europe and Asia. Whether your vehicle is used for light haulage, towing, or daily commuting, Castrol 15B811 37517 Syngear 80W-140 Gear Lubricant's advanced synthetic formulation assures long lasting protection and improved fuel economy. With the convenience of a 35 lb. weight, this lubricant can be conveniently stored and used in any environment.

Elf (801680 4

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The Elf 801680 4-Stroke 80W-90 Motorcycle/ATV Transmission Gear Oil – 1 Liter Bottle delivers superior performance with an unbeatable level of protection. This gear oil has been specially developed ...for 4-stroke motorcycle gearboxes to offer high resistance to deterioration, guaranteeing stable performance irrespective of the working temperature. Furthermore, patented additive packages forged in the heat of Dakar and GP successes result in smooth shifting in manual transmissions by controlling glazing and coking of friction surfaces in synchronizing mechanisms. This superior gear oil also contains properties that maintain a high level of efficiency in gears operating under heavy loads and subjected to repeated shocks. It has been pressure tested to ensure that it is among the best-in-class in terms of performance and protection. The 1 liter (1.05 quart) bottle also provides convenience when filling your gearbox. The Elf 801680 4-Stroke-80W90 Motorcycle/ATV Transmission Gear Oil - 1 Liter Bottle assures superior performance and protection with the following features: 1. Specializes in 4-stroke motorcycle gearboxes with high resistance to deterioration and stable performance. 2. Patented additive packages forged in the heat of Dakar and GP successes offer smooth shifting. 3. Contains properties that maintain a high level of efficiency in gears operating under heavy loads and subjected to repeated shocks. 4. Pressure tested to ensure superior performance and protection. 5. Comes with a convenient 1 liter (1.05 quart) bottle.

Mobil SHC 625 ISO VG 46 Synthetic Circulating and Gear Oil, 1 Qt

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Mobil SHC 625 ISO VG 46 Synthetic Circulating and Gear Oil, 1 Qt is a premium performance oil specifically designed to help provide excellent long-term wear protection and extended service life in man...y moderate-to-severe operating conditions. Its superior performance is due to its synthetic base oil, advanced technology additive systems and other additives. This product is specially formulated to help resist oxidation, rust, corrosion and wear, providing excellent bearing and gear protection and film strength. Plus, it can help reduce wear and maximize power output in high-performance and heavily loaded mechanical components. Mobil SHC 625 ISO VG 46 is applicable for a variety of industrial applications, including bearings and gears, as well as sliding bearings in pumps, compressors, hydraulic and other systems. It is also suitable for circulation systems and oil mist lubrication applications. This oil contains superior anti-foam and air-release properties for improved performance in these types of operations. In addition, its synergistic blend of performance chemicals and other components help minimize deposits and sludge buildup, helping keep engines and mechanical components running at peak performance for longer periods. The 1 Qt bottle fits perfectly in smaller containers making it ideal for vehicles, machinery and other equipment. Ideal for extreme temperature conditions, Mobil SHC 625 ISO VG 46 Synthetic Circulating and Gear Oil helps protect against wear, reduce deposits and ensure reliable operation of mechanical components and engines. Experience premium performance with every use.

Royal Purple Max Gear Synthetic Gear Oil 75W90

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Royal Purple Max Gear Synthetic Gear Oil 75W90 – (Case 12 Bottles) BUY IN A CASE AND SAVE is an ultra-tough, high performance, GL-5 automotive gear oil designed to provide maximum protection to heav...ily loaded gears while maximizing power output throughout the drive train. This special gear oil was created for truck, motor home and automotive front or rear differentials, manual transmissions and lower gear units of marine engines needing an API GL-5 or GL-4 fluid. Max-Gear has a unique Synslide additive technology, making it highly effective in achieving superior performance and providing lasting protection from wear and tear. It outperforms other GL-5 gear oils as it keeps gears running smoother, quieter, cooler and longer without costly overhauls. Royal Purple's formulation comes with special friction modifiers that are necessary for use in clutch type differentials, making it a cost-effective, no-hassle solution. Royal Purple Max Gear Synthetic Gear Oil 75W90 has a number of performance advantages that make it a top-tier choice. It offers greater wear protection, severe service performance, lower coefficient of friction, high temperature performance, low temperature fluidity, shock load protection and prevents corrosion. Additionally, it has excellent water separation and is compatible with other oils, meeting warranty requirements. Royal Purple even takes the environment into account in their formulation of Max-Gear, making it an environmentally responsible option. When you buy this product in a case of 12 bottles, you're getting a real bargain. Save time and money and get the ultimate protection and performance from Royal Purple Max Gear Synthetic Gear Oil 75W90.

Maxima Racing Oils MAX49

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Maxima Racing Oils MAX49-449128S Pro Gear Oil is the perfect choice for anyone looking to enhance the performance of their vehicle without sacrificing the overall protection of their gears and compone...nts. This advanced formula increases horsepower and is designed to provide superior anti-wear protection even at elevated temperatures and peak loads. The Pro Gear Oil's surface active chemistry provides an ultra-high film adhesion on gear interface areas and contact points. This ensures that your gear and parts are adequately protected in extremely high-stress conditions. Moreover, the fully formulated additive system helps to avoid foam, rust, corrosion and oxidation. You'll appreciate the professional-grade results of the Maxima Racing Oils MAX49-449128S Pro Gear Oil. It has a weight of 7.9 pounds and a package measurement of 11.2 H x 8.9 L x 4.85 W (inches) and carries the USA country of origin. To enjoy the best performance and protection, trust in the Maxima Racing Oils MAX49-449128S Pro Gear Oil. This advanced formula will settle all your gear needs, protect your components from high stress and maximize the horsepower of your vehicle all at once.

Castrol

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Castrol 15B811 37517 Syngear 80W-140 Gear Lubricant is a premium synthetic, heavy duty, multi-grade gear lubricant that meets the stringent requirements of API GL-5 service. Engineered to provide prot...racted protection and improved fuel economy, Syngear 80W-140 is formulated with 100 percent synthetic base stocks providing excellent oxidation control and thermal stability. The advanced additive package provides protection against rust, corrosion, and wear, protecting against premature bearing failure and gear tooth wear. Syngear 80W-140’s latest formulation features improved low temperature properties and shear stability, providing excellent protection during hard driving and temperatures down to -28°C. This helps to safely extend service intervals while conserving fuel in the process. Syngear 80 W-140 also meets the demanding requirements of: API GL-5, MT-1, MIL PRF 2105E, SAE J2360, Mack GO-J Plus, and International TMS 6816, making it specifically designed for vehicles and equipment commonly used in North America, Europe and Asia. Whether your vehicle is used for light haulage, towing, or daily commuting, Castrol 15B811 37517 Syngear 80W-140 Gear Lubricant's advanced synthetic formulation assures long lasting protection and improved fuel economy. With the convenience of a 35 lb. weight, this lubricant can be conveniently stored and used in any environment.

Liqui Moly 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W

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Liqui Moly 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W-140 is designed to provide reliable protection for driving components against wear and tear. This gear oil is specifically formulated for... extended service intervals in vehicles with hypoid gear systems. It has superior lubrication characteristics, with superior oxidation and thermal stability for a longer service life. It also has special additives for good shifting performance and low-temperature properties. With a high viscosity index and low-pour point, this gear oil has excellent lubricity and provides superior protection even at high operating temperatures. And, with its molded cable 7-way molded design, you can be sure it fits your vehicle's specifications perfectly.

Swepco 201 80W90 Multi

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Swepco 201 80W90 Multi-Purpose Gear Lube is a premium quality, gear oil formulated to provide superior performance in a wide range of demanding operating conditions. It is blended from the finest high... Viscosity Index (VI) paraffinic base stocks available and the most advanced additive chemistry, including LUBIUM, SWEPCO’s highly effective anti-wear additive. SWEPCO 201 Multi-Purpose Gear Lube is API GL-5 and MT-1 rated and Exceeds military specifications MIL-PRF-2105E. This lubricant provides superior Extreme Pressure (EP) performance to resist shock loading and wear in heavily loaded gearboxes. Its oxidation, rust and corrosion inhibitors, anti-catalyst and anti-foam inhibitor, anti-wear inhibitors and extreme pressure (EP) additive also makes it quite distinct from its competitors. The superior adhesive/cohesive characteristics known as climbing action provides another unique feature to protect the gears from wearing down while in motion. Furthermore, pour point depressant, Limited slip characteristics and the ability to reduce waste oil, labor, uptime and energy consumption makes SWEPCO 201 one of the superior choice of Multi-Purpose Gear Lube in the market. Ideal for most industrial gear boxes, manual transmissions, final drives and power take off units; it provides outstanding wear control, service life, cleanliness, thermal stability and corrosion resistance.

Volvo Penta 1141677 80W

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Volvo Penta 1141677 80W-90 GL-5 Gear Oil - Gallon (GALLON) is the perfect lubricant for your Volvo Penta boat engine's transmission system. This factory original equipment part is made by Volvo Penta,... ensuring the highest quality and reliability. This top-quality 80W-90 GL-5 Gear Oil will help keep your boat engine performing at its best. This gear oil lubricant meets the specific needs of Volvo Penta engines and is specially formulated to protect and extend the life of your engine's transmission. It has an oil viscosity of 80W-90, ensuring a smooth operation in the cylindrical casing and optimal protection of the internal components. In addition to its lubricating properties, this oil also provides corrosion protection against particles of sand, salt, and dust. It is also resistant to thermal and shear breakdown, offering better protection against extreme temperatures and less wear and tear. The Volvo Penta 1141677 80W-90 GL-5 Gear Oil comes in a gallon jug for easy maintenance. With its SKU at 1141677, this oil is sold individually, not in a pair. Please always verify your own fitment before ordering. This particular oil has superseded from the 3855836 part. Keep your Volvo Penta engine running smoothly and reliably with the Volvo Penta 1141677 80W-90 GL-5 Gear Oil. Get it now and keep your engine in peak condition!

New Genuine Nissan Synthetic 75W140 Gear Oil Set 3 Quarts OE 999MPDF100P

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Are you looking for a reliable and efficient way to keep your vehicle in tip-top condition? Look no further than New Genuine Nissan Synthetic 75W140 Gear Oil Set 3 Quarts OE 999MPDF100P! This top-of-t...he-line OEM gear oil is the perfect choice for restoring and enhancing the necessary functionality of your vehicle. This high-performance gear oil offers complete protection and sustainability. It contains genuine Nissan OEM 75W-140 Synthetic Gear Oil 999MP-DF100P (3 Quarts), to ensure maximum performance on all types of vehicles. It is formulated with a Full Synthetic SAE 75W-140, offering unparalleled resistance to extreme temperatures and pressure. The oil also comes in a pack of 3 packs and has a Part Number of 999MP-DF100P. New Genuine Nissan Synthetic 75W140 Gear Oil Set 3 Quarts OE 999MPDF100P provides comprehensive protection for your vehicle’s vital components. By preventing wear and tear and keeping the mechanisms running smoothly, the top-quality gear oil can help extend the lifetime of your vehicle. The advanced formula also actively prevents future corrosion, keeping your transmission and gearbox running perfectly for longer. For total peace of mind, all maintenance must be performed by a factory trained technician certified by Nissan North America. So don’t hesitate – trust in the very best in class New Genuine Nissan Synthetic 75W140 Gear Oil Set 3 Quarts OE 999MPDF100P and keep your vehicle running efficiently and safely.

Kawasaki KPO Gear & Wet Brake Oil, Quart K6103G

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Kawasaki KPO Gear & Wet Brake Oil is specially designed to offer superior lubrication for drive gears and wet brakes. Its quart bottle makes it convenient to carry and use on the go. This oil ensures ...the highest quality performance of your wet brakes and drive gears and prevents them from corroding and damaging. This oil offers superior protective performance and lubrication that are not available in other products. With its proprietary additive formulation, it improves gear engagement and reduces gear noise. Additionally, it offers better heat dissipation protection against oxidation. This ensures machinery remains safe and free of damage even under harsh conditions. Its superior quality ensures that your machinery is running at peak performance and efficiency. This oil does not foam or breakdown and remains stable even with high temperatures. Plus, its anti-fry protection prevents damage caused by the loss of lubrication. The built-in rust inhibitors keep your machinery in good shape even after prolonged use. Kawasaki KPO Gear & Wet Brake Oil includes a number of features that make it superior to competitors. Its 1 quart bottle fits any oil reservoir, and its innovative additive formulation keeps your drive gear and wet brakes lubricated and prevents corrosion. Moreover, with its anti-fry protection and rust inhibitors, you can be sure your machinery will stay safe and in good condition.

VP Classic Gear Oil GL4 SAE 80W

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VP Hi-Performance Classic GL-4 Gear Oil SAE 80W-90 is the ideal choice for keeping your classic vehicle running smoothly. This API GL-4 lubricant is designed specifically to protect ‘yellow metals�...� in classic manual transmissions and transaxles. It has been formulated for use in synchronizers, thrust washers, bushings and other high-load components that can be found in classic vehicles. This product is available in a convenient 1 Qt. package, making it easy and efficient to change your vehicle's oil. VP Hi-Performance Classic Gear Oil has a number of features to ensure your classic car operates at top performance. Its high viscosity index maintains its oil film strength, while its rust and oxidation inhibitors help protect and extend the life of your vehicle's engine components. The VP Hi-Performance Classic Gear Oil comes with the following features: 1. Package Dimensions: 11.5 L x 3.25 H x 3.25 W (inches) 2. Package Weight: 2.01 pounds 3. Country of Origin: United States 4. Part Number: 2703 For those who want to maintain the life of their classic vehicle, the VP Hi-Performance Classic Gear Oil SAE 80W-90 is the perfect choice. With its convenient package size and special features, it's the perfect lubricant for ensuring your vehicle runs clean, quiet, and smooth – just like it did when it was new.

Motul 108063 V

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Motul 108063 V-Twin Gear and Chaincase Synthetic Oil is an exceptionally high performance 100% triple synthetic oil with ESTER. This oil is specially designed and developed for use in Harley-Davidson ...Sportsters. It offers superior protection for both the primary drive and the transmission, forming a protective film that increases lubricity and reduces wear. This oil also helps to extend the life of your gears, bearings, chains and sprockets. Motul 108063 V-Twin Gear and Chaincase Synthetic Oil is formulated to reduce drag and provides a quieter and smoother shifting experience than conventional oils. Additionally, it provides outstanding grip for wet clutches, helping to prevent slippage and chatter. With the Motul 108063 V-Twin Gear and Chaincase Synthetic Oil you can experience the highest performance and outstanding grip knowing it was engineered to handle all your needs.

Mercury SAE 90 High Performance Gear Lube

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Mercury SAE 90 High Performance Gear Lube is a must-have if you use your boat's Mercruiser sterndrive or outboard engine in extreme conditions. This 32oz bottle of genuine Mercury/Mercruiser High Perf...ormance Gear Lube is designed to provide maximum protection against corrosion and excessive wear, while also helping to prevent failures due to water entering the gear housing. The exclusive formula is engineered to provide extended gear life in high-speed and high-horsepower applications, and features extreme pressure synthetic additives to protect gears from metal to metal contact. This product is designed to meet the needs of most gear housings of Mercruiser sterndrives and all Mercury, Mariner, and Force Outboards, making it an all-in-one solution that provides warranty protection for all Mercury Mercruiser sterndrive and Mercury, Mariner and Force outboard lower units. It is important to note that this product should not be mixed with Mercury Premium Gear Lube. To summarize, Mercury SAE 90 High Performance Gear Lube provides the following features: 1. Genuine OEM Factory Original Equipment Mercruiser Sterndrive & Outdrive Oil 2. Exclusive formula is engineered to provide extended gear life in extreme conditions including high-speed and high-horsepower applications 3. Extreme pressure synthetic additives protect gears from metal to metal contact 4. Engineered to provide maximum protection for sterndrive and outboard lower units 5. For use in most gear housings of Mercruiser sterndrives and all Mercury, Mariner, and Force Outboards

Yamalube ACC

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The Yamalube ACC-GLUBE-HD-GL Marine Lower Unit Gear Lube HD (GALLON) is a necessity for any marine vessel. Providing superior lubrication and protection for watercraft transmissions and drive trains, ...this specialized formula helps reduce wear and tear in even the toughest of conditions. The advanced combination of stabilizers and anti-friction agents ensure optimal operation and ensure your equipment is running on the highest level for years to come. The Gallon-sized container contains an ample supply for even large vessels, guaranteeing reliable and safe performance. For any kind of watercraft from jet skis to cruise ships, Yamalube ACC-GLUBE-HD-GL Marine Lower Unit Gear Lube HD (GALLON) is the optimal choice to keep your engine running in top condition. With sales of over $140.00 in the last 30 days, it's clear that this top-notch product is one of the most reliable and effective items available. Buy yours today and start enjoying worry-free operation on the water.

AMALIE (73166

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AMALIE Elixir API GL-5 Certified 75W-90 Full Synthetic Gear Oil is the perfect choice for drivers looking for reliable engine protection. This premium, full-synthetic oil is specially formulated with ...state-of-the-art additives to provide superior performance for both gasoline and diesel engines. The powerful protection of AMALIE Elixir Full-Synthetic Motor Oil can help engines stay running strong and running longer. From its easy-to-handle 1-Quart size to its wide range of fit types and certified API Service Classification, AMALIE Elixir Full-Synthetic Gear Oil offers a number of useful features to help drivers maximize their vehicles' performance. With its 5.08-inch height and 13.208-inch width, AMALIE Elixir Gear Oil easily slips into most engine compartments to provide vehicle-specific protection. This gear oil is made in the USA for added assurance of quality and reliability. With a package weight of 1.899 pounds, AMALIE Elixir provides performance power with a light touch. For drivers looking for the best in engine protection, AMALIE Elixir Full-Synthetic Gear Oil provides the perfect solution. Protect your vehicle with the powerful protection of AMALIE Elixir and drive with confidence.

Lucas Oil 10048 SAE 75W

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Lucas Oil 10048 SAE 75W-90 Synthetic Transmission and Differential Lube is perfect for heavy duty or high performance applications. Its special additive package helps protect gears and resist high pre...ssures, allowing for superior lubrication even in the toughest conditions. This synthetic oil is designed to stay lubricated during high temperature applications, and won't lose its ability to perform. Lucas Oil 10048 SAE 75W-90 Synthetic Transmission and Differential Lube comes in a one gallon package, with a weight of 3.447 kilograms. It also has Vehicle Specific Fit Type, meaning no guesswork when it comes to finding the right fit for your vehicle. This product has several amazing features that make it stand out from other gear lubricants. It is non-foaming, meaning it won't be degraded through exposure to air. It also has super slick performance, so it won't leave behind any residue. Lastly, its long lasting lubricant characteristics provide superior performance for extended use. If you're looking for a superior synthetic gear oil, try Lucas Oil 10048 SAE 75W-90 Synthetic Transmission and Differential Lube for the ultimate performance. With long-lasting lubricity, superior protection, and an easy installation process, you can't go wrong with this product. Plus, its United States origin means it is made with the highest quality materials and craftsmanship.

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