Corvette Transmission Fluid Red Line - D4 ATFFor use on all 97 04 Automatic and 6 Speed Transmissions. Our most versatile ATF, use where Dexron III, , Mercon and Mercon V fluids are recommended, provides a GL 4 level of gear protection Popular applications: Toyota Type T III and T IV, Honda ATF Z1, NissanMatic D, J, K, & S, Diamond SP II, SP III, Mazda ATF M V, most BMW, Audi, VW automatic transmissions Also used with manual transmissions and transaxles like T 5, T 45, T 56 and late model BMW