Sierra 18-9552-3 25W-50 FC-W Semi-Synthetic Oil, 4L

Sierra 18-9552-3 is a high-performance 25W-50 FC-W semi-synthetic engine oil specifically engineered for 4-stroke marine outboard and inboard engines operating without catalytic converters. It comes in a 4-liter container and is heavily optimized to meet the demands of high-load, high-stress environments.

Key Specifications & Application

• Primary Application: Tailored for use in supercharged Mercury Verado marine engines.
• Certifications: Formulated to meet strict industry standards, carrying NMMA FC-W and API-SL certifications.
• Engine Protection: Provides enhanced resistance to rust, corrosion, and wear unique to heavy-duty marine settings.
• Interchange Compatibility: Serves as a direct replacement/interchange for Mercury Marine part numbers 92-858084K01 and 92-8M0078014.

Elevate your boating experience with the Sierra 18-9552-3 25W-50 FC-W Semi-Synthetic Oil. Order now to ensure your engine runs smoothly and efficiently all season long!