An outboard engine is only as reliable as its cooling system, and the Suzuki Thermostat (17670-90J11) plays a critical role in keeping temperatures in check. Designed to regulate coolant flow with precision, this OEM thermostat ensures your Suzuki outboard maintains the ideal operating temperature, preventing overheating while optimizing fuel efficiency.

Built to withstand the demands of marine environments, this thermostat is constructed from high-quality, corrosion-resistant materials. It’s engineered to open at 71°C (160°F), allowing the engine to reach peak performance without excessive heat buildup. A perfect fit for Suzuki DF70-DF300 models (2020 and newer), this replacement part delivers seamless compatibility and dependable function.

Key Advantages:

• Consistent Engine Temperature – Prevents overheating and excessive cooling, ensuring optimal performance.
• OEM-Grade Fit and Durability – Precision-engineered for Suzuki outboards, ensuring long-lasting reliability.
• Resists Corrosion and Wear – Designed for harsh saltwater and freshwater conditions.
• Supports Fuel Efficiency – Helps maintain proper engine function for better fuel economy.

A failing thermostat can lead to performance issues or even long-term engine damage. Regular replacement keeps your outboard running at its best—delivering smooth, efficient power every time you hit the water.