{"product_id":"termostat-srodka-chlodzacego-sierra-18-3557-g0ub7t","title":"Coolant Thermostat SIERRA 18-3557","description":"\u003ch2\u003eCompatible Engines\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eSIERRA 18-3557\u003c\/b\u003e coolant thermostat is a vital component of the cooling system, ensuring optimal operating temperature for your power unit. It opens at \u003cb\u003e62 °C (143 °F)\u003c\/b\u003e, which is the standard for many outboard and inboard boat engine designs. Due to the complexity of the aftermarket parts market, \u003cb\u003ewe do not provide a specific list of engine brands or models\u003c\/b\u003e, as compatibility can vary significantly depending on the year and engine version. To ensure 100% accuracy, verify fitment by comparing catalog number \u003cb\u003e18-3557\u003c\/b\u003e with the OE (original) number in your unit's technical documentation. If you have any doubts about part selection, \u003cb\u003econtact our customer support\u003c\/b\u003e – we are happy to assist with verification.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and Operation\u003c\/h3\u003e\n\u003cp\u003eReplacing the thermostat requires precision. Before disassembly, ensure the engine is cold and the cooling system is drained. \u003cb\u003eUse only fresh coolant\u003c\/b\u003e compatible with the engine manufacturer's recommendations to prevent corrosion and scale buildup. After installing the new \u003cb\u003eSIERRA 18-3557\u003c\/b\u003e thermostat, thoroughly check all connections for leaks and bleed the system to avoid overheating during initial voyages.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eOriginal SIERRA quality\u003c\/b\u003e – guarantee of durability and manufacturing precision.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eCorrect opening temperature\u003c\/b\u003e – 62 °C ensures rapid heating and stable operation.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eSafe replacement\u003c\/b\u003e – protects the engine from overheating and mechanical damage.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eEasy identification\u003c\/b\u003e – catalog number 18-3557 simplifies finding the correct replacement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIERRA","offers":[{"title":"Default Title","offer_id":62529555464522,"sku":"G0UB7T","price":105.33,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/3216\/4170\/files\/5f7bb330da83d7bc3840fbb843034f9419621eb0174a6054b6d4a5dbf36b872222043cfe70cebd5f9ea699d3cd0138738a04bf6f9aaad2f7ebb5814efc337e78_3eb30332-5205-41a4-8aa5-a3fee9ef76d5.jpg?v=1786913681","url":"https:\/\/deltamarinestore.pl\/en\/products\/coolant-thermostat-sierra-18-3557-g0ub7t","provider":"Delta Marine","version":"1.0","type":"link"}