Red Line Synthetic Automatic Transmission Fluids are designed to provide excellent low-temperature shiftability and improved thermal stability. The products identified
as Synthetic ATF, Synthetic D4 ATF, Synthetic D6 ATF,and Synthetic C+ ATF have better thermal stability and lower volatility characteristics than a petroleum ATF and
provides a much lower viscosity at lower temperatures, providing much quicker shifting in cold weather. The balanced frictional characteristics provides smooth and
consistent shifts for extended drain intervals. The superior stability compared to petroleum ATFs allows high-temperature operation without varnishing valves and
clutches which leads to transmission failure.
Applications: Our most popular and versatile ATF, D4 is suitable for use where Dexron III, Dexron II, or Mercon fluids are recommended. D4 ATF is a fully-synthetic product designed to satisfy the improved low-temperature requirements which will be in the new Dexron IV specification, and the improved shear-stability requirements which will be part of the new Mercon specifications.
D4 ATF also provides a GL-4 level of gear protection, making it a superior product for transmissions and transaxles like the Corvette's T-56.
Approvals: Dexron III, Mercon, Mercon V, Toyota T-IV, Honda Z-1, Nissan Matic-J, API GL-4
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