{"product_id":"sierra-thermostat-suzuki-100-300-hp-21-24-18-36250","title":"Sierra Thermostat Suzuki 100-300 HP 21-24 #18-36250","description":"\u003ch2\u003eSierra 18-36250 Thermostats \u0026amp; Parts\u003c\/h2\u003e\n\u003cp\u003eThe Sierra 18-36250 is a precision-engineered 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.\u003c\/p\u003e\n\u003cp\u003eThe thermostat controls coolant flow through your engine's cooling system by opening and closing in response to temperature changes. When the engine is cold, the thermostat remains closed, allowing the engine to warm up quickly to its optimal operating temperature. Once the engine reaches the proper temperature, the thermostat opens to allow coolant circulation, maintaining consistent engine temperature and preventing overheating.\u003c\/p\u003e\n\u003cp\u003eManufactured to meet or exceed OEM specifications, this Sierra thermostat features quality construction designed to provide reliable, accurate temperature control throughout its service life. A properly functioning thermostat is essential for preventing engine damage from overheating, reducing excessive wear from running too cold, maintaining proper fuel mixture and combustion efficiency, and ensuring optimal engine performance across all operating conditions.\u003c\/p\u003e\n\u003cp\u003eA faulty thermostat can cause serious problems, including overheating, poor fuel economy, increased emissions, reduced power output, and accelerated engine wear. Common signs of thermostat failure include engine running too hot or too cold, temperature fluctuations, poor heater performance, and coolant leaks. Regular inspection and replacement of thermostats during routine maintenance helps prevent these issues and ensures your engine operates at peak efficiency.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for Suzuki 100-300 HP engines from 2021-2024, this thermostat ensures proper fit and function for your specific engine model. Whether you're performing scheduled maintenance or replacing a failed thermostat, this Sierra component provides the quality and reliability needed to keep your engine running at optimal temperature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki outboard engines: 100-300 HP\u003c\/li\u003e\n\u003cli\u003eModel years: 2021-2024\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003ePrecision temperature control\u003c\/li\u003e\n\u003cli\u003eEssential for optimal engine performance\u003c\/li\u003e\n\u003cli\u003ePrevents overheating and excessive wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInterchange\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eSuzuki Outboard    17670-90J20\u003cbr\u003eSuzuki Outboard    17670-90J21\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNormalized SKU:\u003c\/b\u003e 1836250\u003cbr\u003e\u003cb\u003eUPC Code:\u003c\/b\u003e 808282391737\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":53087002853681,"sku":"SIE-18-36250","price":58.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7184\/8291\/files\/sierra-thermostat-suzuki-100-300-hp-21-24-18-36250-808282391737-1226583494.jpg?v=1773065924","url":"https:\/\/www.firstchoicemarine.com\/products\/sierra-thermostat-suzuki-100-300-hp-21-24-18-36250","provider":"First Choice Marine","version":"1.0","type":"link"}