Check the listing for details. Wynn's Synthetic Transfer Manual Transmission Fluid. Condition: New. Listed at 22.00 USD. Wynn’s® Synthetic Transfer Case/Manual Transmission Fluid contains an advanced formula that is specifically designed for transfer case use and is suitable for all 4-wheel drive vehicles, along with synchronized manual transmissions, including those specifying ATF, gear oil and many OEM fluids. Suitable for nearly all transfer case and manual transmission applications, as it alleviates the question of which fluid should be used for the various transfer case and manual transmission fluid applications FEATURES AND BENEFITS: ✔ Formulated for Use in All Transfer Case and Manual Transmission Applications Specifying ATF or GL-1 Through GL-4 Gear Oils. ✔ Not for Use in Applications Specifying GL-5 Gear Oil ✔ Fully Synthetic Formula ✔ Protects Gears from Wear Under High Temperature and Load Conditions ✔ Maintains Fluidity and Stability at Low Temperatures ✔ Provides Excellent Synchronizer Performance in Manual Transmissions ✔ Compatible with Yellow Metals such as Bronze, Brass and Copper that are Often Used in Manual Transmission Components ✔ Compatible with Elastomer Materials Used in Manual Transmissions