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Sierra 18-9552-8 25W50 FC-W 4-Cycle Outboard Synthetic Blend Oil 1 Liter

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-9552-8
14 reviews
04/03/2036 7:11 AM
Sale Price

$12.53

In Stock (10+)

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Usually delivered within 2 days

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Product Details

Sierra 18-9552-8 is a premium 25W50 synthetic blend marine oil engineered specifically for 4-cycle outboard and inboard marine engines. This 1-liter bottle delivers professional-grade protection for demanding marine applications.

Key Features:

  • NMMA FC-W and API SL certified for marine engine applications
  • 25W50 viscosity rating provides excellent protection across a wide temperature range
  • Synthetic blend formula combines synthetic and conventional base oils for enhanced performance
  • Superior rust and corrosion protection designed for harsh marine environments
  • Compatible with all 4-cycle outboard and inboard engines without catalytic converters
  • Convenient 1-liter (33.8 oz) bottle size for easy handling and storage

This marine-specific oil formulation addresses the unique challenges of saltwater and freshwater boating, including moisture exposure, extended idle periods, and variable operating conditions. The FC-W certification ensures this oil meets the stringent requirements set by the National Marine Manufacturers Association for 4-stroke marine engines.

Products specifications

Grade

25W50

Size

Liter

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