As cars become heavier and the need for durability increases, rear axle fluids are more and more critical for vehicle reliability. Getting the right oil for your car is key to ensuring your rear axle operates as designed and you get a smooth driving experience every day.
Castrol, with over 100 years of experience in developing axle fluids, and being the choice of many leading car and transmissions manufacturers for factory-fill products, offers a range of axle and universal fluids for your car’s requirements. Providing you the peace of mind that you are selecting the right oil for your vehicle.

Castrol Axle EPX 80W-90

Multipurpose axle oil which may be used in differentials, final drives and other applications...

Castrol Axle EPX 85W-140

High viscosity, multipurpose axle fluid oil for use in differentials, final drives and other applications where API GL-5 is required....

Castrol Axle Limited Slip 90

Mineral based gear oil for use in limited slip differentials where API GL-5 performance is required.
Primarily recommended for use in limited slip differentials fitted to a wide range of Australian, America, Japanese, British and European vehicles.

castrol AXLE AP 85W-140

High quality, mineral oil based, multipurpose gear oil for use in most passenger car, light and heavy duty truck conventional differentials, final drives, non-synchronised manual transmissions, steering gears and other applications where API GL-5, API MT-1 or SAE J2360 performance is required. 

Castrol Power Steering Fluid

Mineral oil based fluid suitable for most power steering systems.   Multifunctional product with a wide range of specifications.
May be used as an ISO 32, ISO 46, 10W or 10W-20 hydraulic oil where rationalisation opportunities arise


Synthetic multigrade rear axle fluid, designed to provide superior protection at both low and high
operating temperatures where conventional mineral oils prove unsatisfactory.
Recommended for BMW rear axles, light commercial vehicles and 4WD axles all fitted with limited
slip differentials.

Castrol Syntrax 80W-140

Fully synthetic limited slip differential oil primarily intended for use in rear axles of Ford Falcon and Holden Commodore high performance models. It contains the preferred limited slip additive and at the maximum concentration recommended by additive supplier.

Castrol Syntrax Long Life 75W-90

Full synthetic multigrade final drive lubricant, designed to provide superior protection at both high and low operating temperatures where conventiona...

Castrol Syntrax Universal Plus 75W-90

Full synthetic, multipurpose manual transmission and final drive lubricant.
May be used in synchronized manual transmissions and final drives/differentials of a wide range of vehicles 

Castrol UNIVERSAL 80W-90

Castrol Universal 80W-90 is a manual transmission and rear axle lubricant. The product is recommended for Holden VN V6 and V8 manual transmissions. It is also Castrol’s prime recommendation for all transaxles that include both helical and hypoid type gears.