Sierra 18-36250 Thermostat for Suzuki Outboard Engines 100-300 HP

The Sierra 18-36250 is a precision-engineered replacement thermostat designed specifically for Suzuki outboard engines ranging from 100 to 300 horsepower, covering model years 2021 through 2024. This critical cooling system component regulates engine operating temperature, ensuring your engine runs at optimal temperature for maximum performance, fuel efficiency, and longevity.

How It Works:

• Controls coolant flow through your engine's cooling system by opening and closing in response to temperature changes
• Remains closed when the engine is cold, allowing rapid warm-up to optimal operating temperature
• Opens once proper temperature is reached to allow coolant circulation, maintaining consistent engine temperature and preventing overheating

Quality Construction: Manufactured to meet or exceed OEM specifications, this Sierra thermostat features quality construction with corrosion-resistant components and high-end thermal actuators that provide superior open and close accuracy and repeatability throughout its service life.

Whether you're performing scheduled maintenance or replacing a failed thermostat, the Sierra 18-36250 provides the quality and reliability needed to keep your Suzuki outboard engine running at optimal temperature.