Sierra 18-9540-3 Fully Synthetic TC-W3 2-Stroke Outboard Oil 1 Gallon

Sierra 18-9540-3 is a high-performance fully synthetic TC-W3 2-stroke outboard oil engineered for modern marine engines. This advanced lubricant meets and exceeds all domestic and import engine manufacturers' warranties, including Johnson/Evinrude E-TEC, and surpasses JASO, ISO, API, and NMMA specifications for advanced generation 2-cycle engines.

Key Features:

• Fully synthetic TC-W3 formula for superior lubrication and performance
• Significantly reduced aquatic toxicity to fish compared to conventional outboard oils
• Reduces ring sticking, deposit formation, and exhaust port blockage
• Improves performance and extends engine life by minimizing wear
• Ideal for high-horsepower outboards that demand maximum performance
• Compatible with all 2-stroke outboard engines requiring TC-W3 oil

This 1-gallon bottle provides excellent protection for fuel-injected and carbureted 2-stroke outboards, ensuring clean operation and reduced maintenance. Sierra's fully synthetic formulation delivers consistent performance across all temperature ranges while protecting against corrosion and oxidation. Sold in case packs only.