High quality replacement for90Whypoid oil. Sierra premium lower unit lube is formulated for marine applications and replaces conventional hypoid oil. Premium lower unit gear lube is engineered to reduce friction and prevent corrosion in gearcase components used in saltwater or freshwater conditions and meets or exceeds engine and drive manufacturer specifications. This 80W90 oil is mineral based and recommended for any application requiring a GL-5 class lubricant. Key Features High quality replacement for traditional 90W hypoid gear oil Formulated for use in marine applications For use in saltwater and freshwater conditions Reduces friction in gearcase components Recommended for applications requiring GL-5 class lubricantsReplaces Quicksilver Premium Blend, System Matched (OMC)Hi-Vis Lubricant, Yamalube LUB-GEARL-11-04