Star Tron
4-Stroke Marine Engine Oil 25W-40
Provides unparalleled protection and performance for high-stress marine engines. Designed for high-performance outboards, gasoline inboards, and stern drives. The synthetic blend maintains viscosity, prevents sludge buildup, and ensures quick starts in demanding saltwater and freshwater conditions.
DESIGNED FOR:
Gasoline Engines
WORKS AGAINST:
Corrosion, Fuel Sludge
FeaturesProduct InfoDirections
- MAXIMUM ENGINE PROTECTION Synthetic blend with shear-stable polymers ensures optimal viscosity and engine cleanliness, even in harsh marine conditions
- HIGH-PERFORMANCE FORMULA – Designed for high RPM marine engines, delivering superior protection against wear and tear; exceeds API service categories SJ, SL, and SM
- QUICK COLD STARTS Enhanced low-temperature properties for reliable starts in any weather
- NMMA FC-W CERTIFIED Meets stringent criteria for viscosity, foaming, and aeration, passing NMMA’s 100-hour performance test
- SLUDGE PREVENTION Advanced additive package prevents sludge build-up, keeping your engine running smoothly
- EXTENDED ENGINE LIFE Reduces the need for frequent maintenance, prolonging engine lifespan
- HIGH RPM RELIABILITY Ensures protection during severe, high-speed applications, ideal for marine engines
- SUPERIOR CLEANLINESS Keeps engine components free from deposits and corrosion, ensuring optimal performance
- SYNTHETIC BLEND ADVANTAGE Offers the benefits of synthetic oils with the economic advantage of conventional oils
- DURABLE PERFORMANCE – Designed to deliver reliable results in both saltwater and freshwater conditions
Product details
- Product number
- 903400
- UPC
- 071247995138
- Weight
- 8.5 lb
Warning
WARNING: Can expose you to Benzene, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
Safety Data Sheet
Follow your engine manufacturer's recommendations for oil change intervals and procedures to ensure optimal engine performance and longevity.




