Sierra Full Synthetic Lower Unit Gear Lube - Qt. Specifically formulated to optimize gear life by reducing friction and providing superior wear protection in severe operating conditions. The unique synthetic formulation is shear stable and resists oxidation to ensure high performance over a wide range of ambient operating temperatures. API GL-5MIL-L-210E Color Gold Weight 75W-90 Size Quart Replaces Mallory 9-82801 Volvo Penta 1141679 Sierra 18-9680-2.1 MSDS California Residents WARNING Cancer an