Best Amsoil Gear Oils of 2025

The Amsoil DB40QT Synthetic Oil is designed to give you confidence in your clutch feel, ensuring smooth and reliable performance. It provides superior protection against wear on gears, bearings, and pistons, helping to prolong the life of your engine. By maximising horsepower, it enhances your bike's overall performance, allowing you to enjoy a more powerful ride. Additionally, it aids in extending the life of your clutch, giving you peace of mind during those long rides.

Amsoil 75w-90 Gear Oil offers advanced protection against wear, ensuring your gear systems remain in optimal condition even in the presence of up to 15 percent water contamination. This oil effectively controls thermal runaway, preventing overheating and ensuring smooth operation. Additionally, it provides robust protection against rust and corrosion, which can lead to costly repairs. The flexible easy-pack design allows for a clean and fast installation, making your maintenance tasks much simpler and more efficient.

The Amsoil V-Twin Primary Fluid is designed to provide a consistent clutch feel and ensure smooth acceleration, which enhances your riding experience. It protects against wear on chains, gears, and bearings, helping to prolong the life of your motorcycle components. Additionally, this fluid aids in reducing operating temperatures, which can prevent overheating during long rides. By maximising energy efficiency, it ensures that your motorcycle runs optimally, giving you peace of mind while you ride.

Amsoil Severe Gear Oil offers exceptional performance that surpasses conventional gear oils. It functions effectively in both hot and cold temperatures, ensuring your vehicle operates smoothly in any climate. You will benefit from 20% more cold-temperature protection, making it perfect for winter conditions. This gear oil is especially suited for severe applications such as towing, hauling, and off-road use, providing you with reliability and peace of mind during challenging driving situations.

Amsoil Signature Series Fluid offers excellent protection for your vehicle's transmission. It guards against thermal breakdown, ensuring consistent performance, even in high temperatures. With outstanding wear protection, it helps to prolong the life of your transmission, giving you peace of mind. The fluid's cold-temperature fluidity ensures smooth operation when the weather turns chilly, allowing you to drive with confidence. Additionally, its friction durability means you can enjoy a more efficient drive, enhancing fuel economy and overall vehicle performance.

The Amsoil DB50QT Synthetic Oil is designed to give you confidence in clutch feel, ensuring a smooth ride on your dirt bike. It protects against wear, which means your engine and components will last longer, saving you money in the long run. The oil offers superior protection against gear, bearing, and piston wear, providing peace of mind while you ride. Additionally, it maximises horsepower, allowing you to experience better performance and acceleration on the trails.

The Amsoil 75W-90 Gear Lube is designed to protect your manual transmission and transaxle against increased heat and pressure. This means you can enjoy smoother gear shifts and a longer lifespan for your vehicle's components. With outstanding cold-flow properties, it ensures reliable performance even in low temperatures, making it easier for you to start your car in chilly weather. Additionally, it offers excellent protection for brass synchronizers, helping to maintain their functionality and efficiency over time. You will appreciate its compatibility with seals, reducing the risk of leaks.

The Amsoil Extreme Pressure Gear Lube offers outstanding protection against rust and corrosion, ensuring that your equipment remains in excellent condition. With its long-lasting formula, it helps extend the life of oil, seals, and equipment, saving you money in the long run. This lubricant resists breakdown from high heat, which prevents harmful acids and carbon or varnish formation. Additionally, it aids in reducing operating temperatures, which can enhance the overall performance of your machinery.

The AMSOIL Gear Oil 75W-140 is a high-quality machine lubricant designed for severe conditions. Its full synthetic formulation ensures optimal performance, providing excellent protection against wear and tear in your machinery. This gear oil maintains its viscosity across a wide temperature range, giving you reliable operation in both hot and cold climates. Additionally, it boasts superior oxidation stability, which helps prolong the life of your equipment and reduces the frequency of oil changes, ultimately saving you time and money.

Amsoil Synchromesh Oil offers superior performance for your manual transmission. This synthetic oil ensures smooth gear shifting, enhancing the overall driving experience. Its formulation helps reduce wear on gears, providing longevity and reliability. Additionally, it maintains optimal viscosity, ensuring effective lubrication even under varying temperatures. By choosing this product, you can expect improved efficiency and reduced friction in your transmission system.