Star Tron

4-Stroke Marine Engine Oil 25W-40

SKU 903400

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

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Follow your engine manufacturer's recommendations for oil change intervals and procedures to ensure optimal engine performance and longevity.