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Synthetic Blend Cat Oil 25W-40 5 Qt. | Sierra 18-9440CAT-4

Synthetic Blend Cat Oil 25W-40 5 Quart | Sierra 18-9440CAT-4

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Synthetic Blend Cat Oil 25W-40 5 Quart | Sierra 18-9440CAT-4

Sierra Synthetic Blend Cat Oil 25W-40 5 Quart | 18-9440CAT-4

Synthetic blend 25W-40 engine oil is formulated for stern drive & inboard marine engines with catalyst emission systems.

  • Sierra synthetic blend catalyst inboard engine oil
  • SAE 25W-40
  • 5 quart jug
  • Recommended for use with inboard and I/O marine engines with catalyst exhaust systems
  • Meets the requirements of modern 4-stroke recreational inboard, I/O, and outboard engines with or without emission catalyst systems
  • Developed specifically for the marine environment and the high running stresses marine engines encounter
  • Protects internal engine components from rust and corrosion
  • Features high detergency, antiwear proprties, and dispersants to prevent engine sludge
  • ZDDP anti-wear additive prevents phosphorus depletion and extends the emission catalyst life
  • NMMA FC-W certified/API-SL
  • Replaces Mercury 92-8M0078630

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