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Sierra 18-9420-3 10W-30 Marine Engine Oil - 1 Gallon

Manufacturer

Picture for manufacturer Sierra

Part Number

118-9420-3
6 reviews
Sale Price

$30.59

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Sierra 18-9420-3 is a premium 10W-30 4-stroke marine engine oil designed specifically for inboard and stern drive gasoline engines. This multi-grade formula provides reliable protection across a wide temperature range, making it suitable for both warm and cool operating conditions.

Key Features:

  • 10W-30 viscosity grade for versatile temperature performance
  • Formulated for marine gasoline engines including inboards and sterndrives
  • Provides excellent protection against wear, corrosion, and oxidation
  • Helps prevent sludge and deposit formation
  • Meets or exceeds marine industry specifications
  • 1 gallon container for convenient oil changes

This marine-grade oil is engineered to withstand the harsh conditions of the marine environment, including moisture exposure and extended operating periods. Regular oil changes with quality marine oil like Sierra 18-9420-3 help ensure long engine life and optimal performance on the water.

So far - So good. Waiting fot delivery

great price and selection for european automobiles

Happy with results.

Easy website and great price for a great product.

Very satisfied, had the plugs I needed

This order went very smoothly and arrived extremely quick. Best price I could find as well.

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