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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.

Family Products

Transmax Full Synthetic Multi-Vehicle ATF

Designed to deliver performance and maximum fuel efficiency for modern automatic transmissions

Transmax Dex/Merc

Automatic transmission and power steering fluid

Transmax Mercon® V

Transmission Fluid is for use in most Ford vehicles

Transmax Dexron VI®

Automatic Transmission Fluid for use in all GM vehicles

Transmax Type F

Automatic Transmission Fluid for use in older Ford vehicles that require Type F transmission fluid.

Transmax ATF4

Automatic Transmission Fluid for use in vehicles that require ATF+4® or prior specifications.

Transmax Import Multi-Vehicle ATF

Castrol Import Multi-Vehicle Automatic Transmission Fluid for use in most imported vehicles