Star Tron Lubricants

4-Stroke Premium Marine Oil Synthetic Blend SAE 25W-40

SKU 28332

Provides optimal viscosity and engine cleanliness for high-performance marine engines. Designed for outboards, gasoline inboards, and stern drives operating at high RPMs. The synthetic blend maintains proper viscosity under extreme conditions and exceeds NMMA FC-W certification criteria.

DESIGNED FOR: Gasoline Engines

WORKS AGAINST: Corrosion, Fuel Sludge

FeaturesProduct InfoDirections

ENGINE PROTECTION AT HIGH RPMS Specially formulated with shear-stable polymer additives and synthetic base stocks for maximum engine protection under high stress and RPMs
QUICKER STARTS IN COLD WEATHER Synthetic blend ensures exceptional low-temperature properties, allowing for quicker and more reliable engine starts in harsh marine environments
NMMA FC-W CERTIFIED Meets or exceeds the stringent requirements of the NMMA FC-W certification, designed specifically for 4-stroke outboard motors, ensuring top-tier performance
ADVANCED ENGINE CLEANLINESS Additive package optimizes engine cleanliness, effectively preventing sludge and deposit buildup for a smoother, more efficient engine operation
EXCEEDS OEM SPECIFICATIONS Surpasses the most demanding OEM requirements and surpasses API requirements for SJ, CF-4 and CH-4 ensuring your engine's warranty remains intact
SUPERIOR VISCOSITY CONTROL Maintains proper viscosity in extreme marine conditions, ensuring consistent engine protection and performance
HIGH-PERFORMANCE FORMULA Ideal for high-performance outboards, gasoline inboards, and stern drives, providing unmatched protection and efficiency
PREVENTS SLUDGE BUILD-UP Advanced formula prevents sludge and varnish build-up, keeping your engine running cleaner and longer
OPTIMIZED FOR MARINE ENGINES Specifically designed for use on saltwater and freshwater engines, offering superior protection against wear and corrosion