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

Transmax CVT

Castrol Transmax CVT, formulated with Smooth Drive Technology ™ is a fully synthetic Continuously Variable Transmission (CVT) fluid recommended for use in most Japanese passenger cars with push belt CVT. Proven to provide more than 2X longer smooth shifts with higher torque capacity and enhanced wear protection in the push-belt-pulley interface.

Transmax Dexron VI Mercon LV

Castrol Transmax Dexron®- VI Mercon LV, formulated with Smooth Drive Technology ™ is a fully synthetic automatic transmission fluid which delivers enhanced protection and gives drivers a smoother drive for longer. This is the first aftermarket product approved and licensed by both GM DEXRON®-VI and Ford Mercon® LV, and exceeds the requirements of JASO 1A and covers a wide range of passenger car automatic transmissions (up to 6-Speed Transmission). With its low viscosity, it will also deliver fuel economy benefits vs competitor ATFs.

Transmax Multivehicle

Designed for use in the automatic transmissions of a wide range of cars, light commercial vehicles and SUVs except CVT. It can be used in GM, Ford, ZF and Aisan automatic transmissions vehicles requiring Dexron® III or Ford Mercon® fluids. Additionally it can be used in most Japanese vehicles requiring automatic transmissions fluid, Type IV fluid. 


Designed for use in vehicles where Dexron® (II or III) or Ford Mercon® performance is required. It can also be used in many other applications, including power steering and some hydraulic fluid applications as advised by the equipment manufacturer.