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WHY IS IT IMPORTANT TO CHOOSE THE RIGHT ATF FOR YOUR VEHICLE?

The TRANSMISSION is one of a vehicle's most vital components. With almost 1,000 FINELY ENGINEERED, PRECISION PARTS, it is one of the most complex and expensive units to repair or replace. Using the right oil and changing it at the right time is the key to preventing transmission problems before they occur.


Service your transmission as recommended to improve shifting performance, help improve fuel economy, prevent leaks and extend transmission life. Castrol’s® Transmax® ATF fluids are OEM approved and specially formulated to protect vital transmission components.

Castrol® Transmax® with Smooth Drive Technology™ automatically adjusts its friction level in response to changing pressures on critical transmission parts – delivering enhanced protection and a smoother drive for longer, eliminating noise and shudder and keeping things running like clockwork.
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Castrol® Transmax® Full
Synthetic Multi-vehicle with
Smooth Drive Technology™
First product licenced for both GM DEXRON®-VI and Ford MERCON® LV and exceeds JASO 1A requirements.

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Castrol® Transmax®
DEXRON®-VI with Smooth
Drive Technology™
Certified for use in all General Motors vehicles.

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Castrol® Transmax®
MERCON®V with
Smooth Drive Technology™
Certified for use in Ford vehicles that require Mercon® or Mercon® V.

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Castrol® Transmax® ATF+4®
Full synthetic formula exceeds ATF+3® requirements. For use in Chrysler vehicles.

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Castrol® Transmax®
DEX/MERC
For use in older Ford and General Motors vehicles.
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Castrol® Transmax® Import
Multi-vehicle
For use in Honda, Toyota, Nissan and other imported vehicles.
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Castrol® Transmax® Type F
For use in older Ford vehicles that require Type F ATF. Formulated to control transmission wear.