Sierra 18-9500-3 Premium Blend TC-W3 2-Cycle Marine Oil – 1 Gallon

Sierra Premium Blend TC-W3 2-Stroke Outboard Oil is a high-performance, NMMA® TC-W3® certified lubricant specifically engineered for today’s high-horsepower 2-cycle outboards, personal watercraft, and marine engines.

This premium blend formulation meets or exceeds all engine manufacturer warranties (Mercury, Yamaha, Evinrude/Johnson, Suzuki, Honda, Tohatsu, and more) and is perfect for both oil-injection systems and pre-mix applications.

Benefits: • True Premium Blend – delivers superior lubrication and detergency • NMMA TC-W3 certified – exceeds JASO, ISO, API, and all current 2-cycle standards • Dramatically reduces ring sticking, carbon buildup, and exhaust port blockage • Significantly lower aquatic toxicity than standard outboard oils • Cleaner combustion and easier starting, even with lower-quality fuels • Keeps spark plugs and power valves cleaner for maximum performance • Proven in high-RPM, high-load conditions without breaking down • Will NOT void your engine manufacturer’s warranty

Sold in convenient 1-gallon (3.78 L) jugs – Part # 18-9500-3

The #1 choice of professional marine technicians for over 50 years, Sierra Premium Blend TC-W3 gives you OEM-level protection and performance at a fraction of the dealer price. Keep your 2-stroke running clean, strong, and reliable season after season.