Red Line - Synthetic D4 Automatic Transmission Fluid - Universal (30504)
Available: In stock
SKU: Red Line-30504
On all products!
60 days return policy
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.