QuickSilver 25W40 is a premium synthetic blend 4-stroke marine engine oil, specifically formulated to exceed the demands of marine environments. Engineered with a specialized additive package, it outperforms conventional automotive oils by delivering superior protection and performance in outboard, inboard, sterndrive, and high-performance marine engines.

Key Benefits:

• Universal Marine Compatibility: Approved for use in all 4-stroke marine engines—including Outboard, MerCruiser, High Performance, and Stern Drive/Inboard. Exceeds NMMA FC-W and FC-W Catalyst Compatible standards.

• Exceptional Protection: Offers industry-leading strength, viscosity retention, and outstanding corrosion and wear resistance—even in the harshest marine conditions.

• Trusted by Experts: Developed over five years by the world’s largest marine engine manufacturer, this oil is the most recommended choice for marine applications.

QuickSilver 25W40 Synthetic Blend is your go-to lubricant for ensuring long-lasting engine health and optimal performance on the water.