Our top pick for the best transmission fluid is the
Castrol Transmax Dex/Merc ATF. It works for the majority of domestic cars out there and delivers great results. If you're looking for something even more wallet-friendly, check out the ACDelco Dexron VI Synthetic ATF.
![](/uploads/photos/thumbnail/2021/08/06/2329/450_033528d20472a437d8758dab2e08ed06.jpg)