SIERRA 118-3672 Cooling Water Thermostat

Compatible Engines

The SIERRA 118-3672 cooling water thermostat is a critical component of your outboard engine's cooling system, ensuring optimal performance. Its primary function is to maintain a constant operating temperature by opening at a threshold of 52 °C. This prevents engine block overheating, saves fuel, and allows for quick warm-up during cold starts. Note: Specific engine model compatibility is not listed in the technical data. We recommend verifying fitment using the manufacturer's catalog number 118-3672 or the original OE number. If you have doubts about compatibility, contact our customer service team for assistance.

Installation and Operation

• Original Quality: Ensures durability and compliance with engine manufacturer standards.
• Precise Opening: Reacts at 52 °C to protect the engine from thermal damage.
• Easy Replacement: Simple design facilitates removal and installation in standard service conditions.
• System Protection: Prevents sudden temperature spikes, extending the life of seals and the water pump.

When replacing the thermostat, we recommend checking the condition of the seals and cleaning the thermostat housing. Using the new SIERRA 118-3672 element is an investment in the reliability of your outboard motor.