Is this product for you?
Castrol ATF Dex III is an automatic transmission and power steering fluid for use in GM automatic transmissions pre 2005 and in many automatic transmissions in a range of makes and models where Dexron® (II or III) or Mercon performance is required.
It is fully compatible with earlier Dexron® and Mercon® type fluids and may be used for topping up or completely replacing.
Castrol ATF Dex III is dyed red to distinguish it from engine oils should leakage occur.
What vehicles is this product suitable for?
Castrol ATF Dex III is manufactured to the previous generation Dexron® IIIH automatic transmission fluid specification. It is recommended for many transmissions used in General Motors cars (Holden, Isuzu, Opel) and Hydramatic® transmissions used in a range of vehicles.
It is also suitable for many earlier model Japanese vehicles where Dexron® type fluids are recommended. It is recommended for other transmissions where Dexron® and Dexron® II fluids are specified except Mercedes-Benz, ZF, BMW, Voith and Renk. Castrol Transmax Z synthetic automatic transmission fluid is approved for long drain for many European commercial vehicle applications.
Castrol ATF Dex III may be used in power steering systems for the majority of cars, light commercial vehicles and tractors except where specialist fluids are recommended e.g. Honda, Mercedes-Benz, SAAB, etc.
Suitable for many hydraulic systems where ISO 22 or 32 Hydraulic Oils or SAE 10W Engine Oils are recommended.
For most modern Asian automatic transmissions, Castrol Transmax Multivehicle or Transmax FE Multivehicle are our recommended fluids.
Do NOT use Castrol ATF Dex III where Dexron® VI, Mercon V or Mercon SP or LV are required.
To find the oil type and weight suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.