Mercury 25W-40 4-Stroke Synthetic Blend Marine Engine Oil is specially formulated to meet the demanding requirements of outboard, sterndrive, and inboard engines. Unlike standard automotive oils, Mercury Marine engine oils are specifically formulated for the unique conditions found on the water, providing reliable protection even in humid, corrosive environments and during storage.
Product Description
Ideal for:
- 4-stroke marine engines from Mercury, MerCruiser, and other leading brands
- Outboard, sterndrive, and inboard engines
- Users who want to minimize wear, deposits, and corrosion
The premium synthetic blend formula contains an advanced additive package with highly effective corrosion inhibitors. It ensures excellent viscosity and shear stability, protecting the engine even under heavy use. The oil meets all marine industry requirements for 4-stroke engines and is FC-W and FC-W Catalyst Compatible certified.
Key Benefits
- Superior Wear and Corrosion Protection
Extends the life of your engine and protects against rust, deposits, and wear.
- Excellent Viscosity Stability
Prevents varnish and sludge buildup and protects the engine even under heavy loads.
- Optimized for Marine Conditions
- Special additives outperform automotive oils in humid, saline, or storage-related conditions.
Certified & Manufacturer Compatible
FC-W and FC-W Catalyst Compatible, meets all requirements for 4-stroke marine engines.
OEM Quality from Mercury Marine
Manufactured to strict original manufacturer specifications for optimal fit, protection, and performance.
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