Sierra - Full Synthetic Gear Lube - 5 Gallon - 96805. API GL-5/MIL-L-210E. Provides superior wear protection in severe operating conditions. Resists oxidation to ensure high performance over a wide range of ambient operating temperatures. Specifically formulated to optimize gear life by reducing friction. This unique synthetic formulation is shear stable. Replaces: Johnson/Evinrude 778755. Volvo Penta 1141679.. Features:. 5 Gallons