Quicksilver 25W-40 Mineral Formulation 4-Stroke Engine Oil


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Quicksilver outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines.  The NEW mineral 4-Stroke oil is also now approved for use in all outboard engines; previously only our synthetic blend could make this claim.

3 things to know:

  • For use in all 4-Stroke marine engines – New formula 4-Stroke oils are engineering approved for all marine 4-Stroke applications, including: Outboard, Mercruiser, High Performance, Stern Drive/Inboard, and exceeds all marine industry 4-Stroke oil requirements including FC-W and FC-W Catalyst Compatible.
  • Flagship engine and corrosion protection – Industry leading strength and viscosity retention and ultimate corrosion and wear protection.
  • The most recommended marine oil – Over 5 years of engineering and development by the largest marine engine manufacture in the world.

25W40 recommended in all Marine Engines

Additional information

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3.78L, .946L