Automotive Gear Oils for Manual Transmissions & Drivetrains

Automotive gear oils are designed to lubricate and protect the components within manual gearboxes, differentials, transfer boxes and drive axles. These parts operate under high pressure and require specialised lubricants to reduce friction, minimise wear and support reliable operation throughout their service life.

At Smith & Allan, we stock a wide range of automotive gear oils for passenger cars, light commercial vehicles, 4x4s and other road-going vehicles. Our range includes mineral, semi-synthetic and fully synthetic formulations in a variety of viscosity grades and performance specifications to suit different vehicle requirements.

Why Gear Oil Is Important

Unlike engine oil, gear oil is formulated to cope with the extreme pressures found inside transmissions and differentials. It creates a protective film between gears and bearings, helping to reduce wear, protect against corrosion and maintain efficient power transfer between drivetrain components.

Choosing the Correct Gear Oil

Selecting the right gear oil depends on your vehicle manufacturer's recommended viscosity grade and performance specification. Using the correct lubricant helps ensure smooth gear engagement, effective component protection and reliable operation across a range of temperatures and driving conditions.

Suitable for a Range of Vehicle Applications

Our automotive gear oil range is suitable for manual gearboxes, hypoid differentials, transfer cases and final drives fitted to many cars, vans, 4x4s and commercial vehicles. Products are available for both everyday road use and more demanding applications where higher load carrying performance is required.

Related Oils and Lubricants

Automotive gear oil is just one of the lubricants used to maintain a vehicle or machine. Depending on the application, you may also require Passenger Car Motor Oils for engine protection, Heavy Duty Engine Oils for commercial vehicles, Hydraulic Oils for hydraulic systems or Off Highway Transmission Oils for agricultural and construction equipment. Using the correct lubricant for each system helps maintain performance, reduce wear and support long-term reliability.


Available in Mineral and Synthetic Formulations

Different formulations are designed to suit different operating conditions and service requirements. Mineral gear oils are commonly used in older vehicles and standard applications, while semi-synthetic and fully synthetic gear oils can offer improved temperature stability, oxidation resistance and extended service intervals where specified by the manufacturer.

Finding the Right Product

If you are unsure which automotive gear oil is suitable for your vehicle, refer to your manufacturer's handbook for the recommended specification and viscosity grade. You can also use our Search by Vehicle tool or contact our team for guidance on selecting a compatible product.


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