Best Lucas Oil Gear Oil in 2026

ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits

40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test

25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified

OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates

SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications

Item Package Dimension 8.49999999133L x 3.99999999592W x 3.99999999592H inches

Item Package Weight - 1.69976404002 Pounds

Item Package Quantity - 1

Case of 3 // 1 Quart (32 Ounces)

Royal Purple engineered this ultra-tough, high performance automotive hypoid gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train. Max Gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple’s proprietary Synerlec additive technology.

Maximizes horsepower, Extends gear and bearing life, Reduces operating temperature, Severe service performance, Lower coefficient of friction, Superior corrosion protection

Item Package Dimension: 8.81L x 4.05W x 4.05H inches

Item Package Weight - 1.75 Pounds

Item Package Quantity - 1

IMPROVES APPEARANCE OF ACNE SCARS AND STRETCH MARKS - Clinically proven to help repair skin damage and scars from pregnancy, surgery, injury, acne, C-section, aging, and more. Bio-Oil is non comedogenic and a great acne scar treatment for face.

PACKED WITH POWERFUL, NATURAL OILS - Vitamin A Oil promotes the formation of new collagen and assists in skin renewal, increasing skin elasticity. Vitamin E Oil, Chamomile Oil, Sunflower Oil, and Lavender Oil are anti-inflammatory and promote healthy skin.

LOCKS IN ESSENTIAL MOISTURE WITHOUT CLOGGING PORES - Uniquely formulated, non-greasy body oil that hydrates skin and helps retain moisture to repair scars without clogging your pores. Effective acne scar healer and anti-aging face moisturizer for women.

Package Dimensions: 5.08 H x 25.907 L x 13.208 W (centimeters)

Country of Origin : United States

Fit type: Vehicle Specific

Specifically designed for the lubrication and service of model year 2007 and newer manual transmissions and transfer cases

Product already contains a limited slip friction modifier

No need to use a top treat additive

Superior lubricity minimizes sliding friction for maximum power.

Specially formulated to withstand the harsh gear oil environment found in differentials and transfer cases

Specialty silicone does not break down against gear oil friction modifiers

Seeks and seals leak paths that cut gaskets cannot

Affordable Solutions

Provides rust protection

Ideal for shock loading applications

Complete kit for motorcycles equipped with Evolution, Milwaukee-Eight and Twin-Cam engines*

2007-up H-D motorcycle with the 96-inch and larger Twin Cam engines, users must purchase one extra bottle of Primary Chain Case Oil to meet this engine’s 38 oz (45 oz dry) capacity, compared to the 32 oz wet capacity of a Milwaukee-Eight, Evolution or V-Twin case

Includes 5 quarts of 20W50 Motorcycle Oil, 1 quart of V-Twin Transmission Oil with ShockProof, 1 quart of Primary Chain Case Oil, 1 bottle of Fuel Injection Cleaner for Powersports, a sticker kit, a Red Line Oil embroidered hat and a versatile funnel

42 Percent Better Rating On Fighting Power Robbing Deposits

Superior Engine Protection Vs Conventional And Synthetic Blend Oils

Superior Performance Against Deposits, Wear And Oxidation; Bottle Color: Black

Lower unit gear oil formulated to protect against corrosion and excessive wear

Designed for outboard motor lower unit and sterndrive applications above 75 HP

Extreme pressure synthetic additives protect gears from metal to metal contact

Phosphorus Replacement Technology to help extend the life of the emission system

Superior dispersancy that fights sludge build up

Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications

Synthetic blend 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown

Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks — including high-power vehicles that require resistance to heat and stress

Improves low-temperature flow (compared to conventional 15W-40 oils)

Package Dimensions: 28.956 H x 8.128 L x 8.382 W (centimetres)

Package Weight: 0.93 kilograms

Country of Origin : United States

Fit type: Vehicle Specific

Package Dimensions: 30.48 H x 16.51 L x 16.51 W (centimetres)

Country of Origin : China

Exceeds API service classifications GL-5 and GL-4

High shear strength resists viscosity breakdown under the most severe conditions

Special additives protect against wear, scuffing and corrosion

GEAR LUBRICANT: GL-4 Multi-Purpose Gear Oil has low pour points and high temp properties to provide lubrication over a wide temp range. Our formula contains anti-rust and anti-wear EP additives to provide corrosion protection in drives and hypoid gears.

MULTI-PURPOSE: Our formula is not corrosive to copper; bronze; or other non-ferrous alloy bearings and bushings.

APPLICATIONS: This multi-purpose oil is suitable in use for auto; truck; and bus standard transmissions; and differentials requiring API/GL-3 and GL-4 oils. Safe for use on yellow metals.

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified

OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates

SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications

Faster and easier shifting at low-temperatures.

Reduces wear and tear

Limited slip and provides a stable viscosity

Genuine OEM Factory Original Equipment Mercruiser Sterndrive & Outdrive Oil

Exclusive formula is engineered to provide extended gear life in extreme conditions including high-speed and high-horsepower applications

Extreme pressure synthetic additives protect gears from metal to metal contact

genuine oem factory part

exact fit

durable

Yukon Gear & Axle OK 3-QRT-CONV-A Conventional Gear Oil; 3 Qt. 80W90; With Positraction Additive;

For manual transmissions, transaxles, rear axles, hypoid gearing

Provides superior wear protection and significant noise reduction

For easier shifting and quieter operation

Fit type: Vehicle Specific

Package Dimensions: 31.0 H x 15.0 L x 15.0 W (centimeters)

Country of Origin : China

Case of 2

Uses custom additives to provide the best performance in Visco-Lok & Smart-Lok differentials

Allows higher loads, superior shear stability and reduced oxidation

STA-LUBE: Sta-Lube offers a range of high performance industrial greases, gear oils, service oils, fluids, hand cleaners, additives, and lubrication formulas. Our products have been rigorously tested to meet the highest quality standards.

GEAR LUBRICANT: GL-4 Hypoid Gear Oil has low pour points and high temp properties to provide lubrication over a wide temp range. Our formula contains anti-rust and anti-wear EP additives to provide corrosion protection in drives and hypoid gears.

MULTI-PURPOSE: Our formula is not corrosive to copper, bronze, or other non-ferrous alloy bearings and bushings.

SUPERIOR PERFORMANCE - High viscosity synthetic blend 80W-90 gear oil, designed for API GL-5, MT-1 service SAE J2360, and Mack GO-J

LONG TERM PROTECTION - Ideal for all engines over 100 hp, our gear oil provides exceptional long-term protection against rust and corrosion, extending your engine's lifespan

EXTREME PRESSURE ADDITIVES - Special additives ensure great thermal stability and anti-wear protection, even under high temperature conditions