{"product_id":"ghmarine-18-3647-thermostat-repair-kit-for-mercruiser-sterndrive-4-3l-8-2l","title":"GHmarine 18-3647 Thermostat Repair Kit for Mercruiser Sterndrive 4.3L-8.2L","description":"\u003ch2\u003eRestore reliable cooling with GHmarine 18-3647 Thermostat Repair Kit\u003c\/h2\u003e\n\u003cp\u003eWhen a Mercruiser stern drive temperature shows fluctuations or begins to overheat, the GHmarine 18-3647 Thermostat Repair Service Kit offers a practical, ready to install solution. Designed for Mercruiser Sterndrive engines, this kit brings together essential components in one package, making it easier to refresh the heart of the cooling system without hunting for parts separately. The result is a maintenance option that can help you keep the engine running smoothly on the water.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x thermostat with a 160°F rating\u003c\/li\u003e\n  \u003cli\u003e1x o-ring for a secure, leak-free seal\u003c\/li\u003e\n  \u003cli\u003e1x housing sleeve for a stable mounting base\u003c\/li\u003e\n  \u003cli\u003e4x thermostat gaskets for dependable heat exchange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and replacements\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Mercruiser 4.3L through 8.2L Sterndrive models\u003c\/li\u003e\n  \u003cli\u003eReplaces multiple part numbers including 807252Q5, 807252T8, 8M0091470, 8M0109441 and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe kit is designed to cover a broad range of Mercruiser configurations, offering a unified set of parts that can simplify repairs. The included thermostat and seals are chosen to support reliable heat management, while the housing sleeve helps create a solid mounting base for the thermostat assembly. This can be especially helpful when you are working on older boats or mixed-model installations where compatibility matters.\u003c\/p\u003e\n\u003ch3\u003ePractical uses and benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePotential for steadier temperatures during extended runs and duty cycles\u003c\/li\u003e\n  \u003cli\u003eDIY-friendly assembly that can minimize downtime when performing routine maintenance\u003c\/li\u003e\n  \u003cli\u003eMarine-grade components designed to stand up to saltwater and freshwater use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote that outcomes depend on the overall condition of the cooling system and correct installation. This kit is a targeted upgrade that provides commonly needed parts; it does not guarantee specific performance. Always follow the boat manufacturer guidelines and verify the system after completing the repair.\u003c\/p\u003e\n\u003ch3\u003eCare and use\u003c\/h3\u003e\n\u003cp\u003eAfter installation, inspect all seals for snug fit and check for leaks after a test run. Regular inspection of the thermostat, gaskets, and o rings can help maintain reliable cooling and extend the life of the stern drive cooling system.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the GHmarine 18-3647 Thermostat Repair Kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes a thermostat, an o-ring, a housing sleeve, and four gaskets for Mercruiser stern drives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Mercruiser models and part numbers does it fit or replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 4.3L to 8.2L sterndrive models and replaces several part numbers including 807252Q5, 807252T8, 8M0091470, and 8M0109441.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GHmarine","offers":[{"title":"Default Title","offer_id":42470064324693,"sku":"B0D1N2LXDM","price":43.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ghmarine-thermostat-kit-mercruiser-package.jpg?v=1778117354","url":"https:\/\/plentytorque.co.uk\/products\/ghmarine-18-3647-thermostat-repair-kit-for-mercruiser-sterndrive-4-3l-8-2l","provider":"PlentyTorque","version":"1.0","type":"link"}