Quicksilver 25W-40 4-Stroke Conventional Marine Oil

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Quicksilver 25W-40 4-Stroke Conventional Inboard & Sterndrive Marine Oil

This superior 24w-40 marine engine oil has been specifically formulated and developed to meet the needs of high-output sterndrive and inboard engines.


  • Multi-viscosity 25W-40 oil formulated to eliminate thermal breakdown under extreme temperatures and loads without the need for viscosity improving additives.
  • Field-tested and proven in gas and diesel engine trials.
  • Lubricates and protects internal engine components from corrosion, wear scuffing, and scoring - even under higher temperatures.
  • Warranteed protection for Mercury MerCruiser engines.

Sizes Available:

  • 8M0078619 Quart
  • 8M0078620 Gallon

Recommended in all 4-stroke Marine Engines

946 ml (32 fl oz) plastic bottle. 

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Other Details

Google Product Type:
Oil Use:
Engine Oil
Oil Type:
Product MPN:
8M0078619, 8M0078620
Product UPC:
745061915503, 745061915527

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