Description
The Sierra 18-9552-3 25W-50 FC-W Semi-Synthetic Oil is engineered for high-performance marine engines, including supercharged Mercury Verado applications. Its semi-synthetic formulation is designed to deliver superior protection under extreme loads and operating stress commonly experienced in advanced marine engine systems. This oil provides reliable lubrication and wear protection to help maintain engine efficiency and long-term durability. Built for demanding marine environments, it supports stable performance under high temperatures and heavy-duty operation. NMMA FC-W certified and meeting API SL standards, it is formulated to meet the needs of modern high-output marine engines.
Features
- Designed for supercharged Mercury Verado marine engines
- Semi-synthetic formulation provides enhanced protection under high load conditions
- Supports reliable lubrication and wear protection for engine durability
- Engineered for stable performance under high temperatures and stress
- NMMA FC-W certified and meets API SL performance standards
- Case Qty.: 6
- For use in supercharged Mercury Verado
- Semi-Synthetic formulation for superior protection under high loads and operating stress
- NMMA FC-W Certified/API-SL
- Bottle Size: 4 Liters or 4.2224 quarts
- Premium quality for longer life






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