Red Line offers the widest selection of fully-synthetic ATF on the market today. Each offer improved thermal stability, maintain viscosity levels, and feature lower volatility while providing the required frictional characteristics of each fluid's OEM-style replacement.
Redline's most popular and versatile automatic transmission fluid, D4 is suitable for use where Dexron III, Dexron II, or Mercon fluids are recommended. D4 provides a GL-4 level of gear protection, making it a superior product for transmissions and transaxles like the Corvette's T-56. The balanced frictional characteristics provide 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. It's stability allows high-temperature operation without varnishing valves and clutches. Also provides improved shifting in cold weather.
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