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The Daily Insight

What does Type H transmission fluid mean?

Author

Mia Phillips

Updated on February 26, 2026

ACDelco Gold ATF Type III (H) is a premium quality automatic transmission fluid for use in a variety of passenger cars and light trucks. It is formulated with select base oils and additives to meet the heavy demands placed on automatic transmissions, including the generation of electronically controlled transmissions.

Can dexron 3 be used in all automatic transmissions?

2016 – DEXRON III(K) for Manual Transmissions WARNING:The additive package for automatic transmissions has been removed from this fluid; do not use it in any automatic transmission.

What is the equivalent to dexron 3?

Dexron VI
Dexron VI replaced Dexron II and III, and can be used in General Motors domestically built or import transmissions that specified Dexron II or Dexron III. Dexron VI is a low viscosity transmission fluid and should also be used with the full synthetic low viscosity transmission fluid.

Is dexron III transmission fluid synthetic?

DEXRON® III/MERCON includes friction modifiers in the fluid additive package. Does Valvoline make a synthetic ATF? Yes. MaxLife® ATF, ATF +4 and DEXRON® VI are all synthetic transmission fluids.

Can I use power steering fluid instead of ATF?

Both your ATF and power steering fluid are hydraulic fluids and your power steering system is a hydraulic system like your transmission system. ATF benefits you by having detergents within its formula that help in keeping your system clean. But in a pinch, you can substitute it for ATF.

Can DEXRON-VI replace DEXRON III?

DEXRON-VI can be used in any proportion in past model vehicles equipped with an automatic transmission, in place of DEXRON-III (for instance, topping off the fluid in the event of a repair or fluid change). DEXRON-VI is also compatible with any former version of DEXRON for use in automatic transmissions.

Is it OK to mix DEXRON 2 and 3?

Yes, you can mix them together, as long as you peel one of the “I”s off of the Dextron III bottle before pouring it in…on second thought…you probably don’t even need to do that. They can be safely mixed.

Is Titan ATF 4400 miscible with other gear oils?

TITAN ATF 4400 is miscible and compatible with conventional branded gear oils. However, mixing with other gear oils should be avoided in order to fully utilize the product’s benefits. A complete oil change is recommended when converting to TITAN ATF 4400.

What is ATF 4400 used for?

TITAN ATF 4400 is mainly designated for use in the latest generation of AISIN-WARNER-automatic-transmissions. These transmissions are being used in a large number of passenger cars and light duty vehicles of Japanese make, but also being used in a significant number of US- American and European models.

What is Ultra High Performance ATF?

Ultra High Performance ATF specifically formulated for Japanese passenger cars and light commercial vehicles. The high torque capacity exceeds the performance of many original fluids. Product dyeing: red.