Check the listing for details. Mercury 4 Stroke Synthetic Blend 25W-40 Engine Oil 92-8M0078630 Case 3 Gallons. Condition: New. Listed at 141.29 USD. Genuine Mercruiser Marine fully synthetic engine oil gallon. This is factory original equipment lubricant, not aftermarket. Synthetic blend 25w-40 oil For use in 4-Cycle outboard, sterndrive and inboard engines Replaces 858088K01 full synthetic MerCruiser Replaces 858056K01 synthetic blend MerCruiser Replaces 858053K01 synthetic blend outboard Can be used in any marine engine equipped with or without a catalytic converter Provides extreme salt and freshwater protection Reduced oil comsumption, improved pumping ability 128 fl oz each Outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines. Provides the best wear and corrosion protection when operating engine at maximum output and high temperatures for extended periods of time. Maintain peak engine performance and reliability. Eliminate thermal breakdown under extreme RPM, temperatures and loads. Exceeds oil requirements and FC-W catalyst compatible qualifications for all marine engine manufacturers. SKU# 92-8M0078630