{"product_id":"thermostat-repair-service-kit-fits-yamaha-4-stroke-150-hp-replaces-67f-12411-00-6cb-12411-00-63p-12414-00","title":"Thermostat Repair Service Kit – Fits Yamaha 4-Stroke 150 HP (Replaces 67F-12411-00, 6CB-12411-00, 63P-12414-00)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eThermostat Repair Service Kit – Fits Yamaha 4-Stroke 150 HP Outboard Motors\u003c\/strong\u003e is engineered for Yamaha F150 and LF150 series engines manufactured between 2004 and 2018. It is specifically designed for models using thermostat housing part numbers 67F-12411 and 6CB-12411, ensuring a precise fit and reliable temperature regulation.\u003c\/p\u003e\n  \u003cp\u003eThis kit serves as a direct interchange for Yamaha 67F-12411-00-00, 6CB-12411-00-00, Sierra 18-3632, Suzuki 17670-90J00, Mercury\/Quicksilver 8M6010296, and Red Rhino YA-T14.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for direct replacement installation.\u003c\/li\u003e\n    \u003cli\u003eIncludes the thermostat, gasket, and seal for a complete service.\u003c\/li\u003e\n    \u003cli\u003eFeatures marine-grade components designed to withstand saltwater exposure.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket suppliers.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-01-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e6CB-12411-00-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3632\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSuzuki\u003c\/td\u003e\n          \u003ctd\u003e17670-90J00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Quicksilver\u003c\/td\u003e\n          \u003ctd\u003e8M6010296\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eRed Rhino\u003c\/td\u003e\n          \u003ctd\u003eYA-T14\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model and year in the table below.\u003c\/p\u003e\n  \u003cp\u003eThis kit is confirmed to fit the following Yamaha F150 series engines.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Yamaha Engine \u0026amp; Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF150\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2004–2011\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eLF150\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2004–2011\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF150A\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2012–2014\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eLF150A\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2012–2014\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF150B\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2015–2018\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eLF150B\u003c\/td\u003e\n          \u003ctd\u003e150\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2015–2018\u003c\/td\u003e\n          \u003ctd\u003e67F-12411-00\/01\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003eIt is cross-referenced by part number for Suzuki engines using part 17670-90J00. Compatibility for specific Suzuki models is unconfirmed.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Suzuki Engine \u0026amp; Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSuzuki\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e17670-90J00\u003c\/td\u003e\n          \u003ctd\u003eCross-referenced by part number only\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat Repair Kit\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n    \u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n\u003cdd\u003e60°C (140°F)\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetallic\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\/metallic\u003c\/dd\u003e\n    \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003e5.91 × 3.94 × 2.17 inches (150 × 100 × 55 mm)\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.09 kg (3.19 oz)\u003c\/dd\u003e\n    \u003cdt\u003eOther Attributes\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade components designed for saltwater exposure\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 × Thermostat (67F-12411)\u003c\/li\u003e\n    \u003cli\u003e1 × Thermostat Housing Gasket (63P-12414)\u003c\/li\u003e\n    \u003cli\u003e1 × Thermostat Seal (67F-12412)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eEnsure the engine is completely cool and disconnect the battery.\u003c\/li\u003e\n    \u003cli\u003ePlace a container beneath the engine to catch coolant, then locate and open the drain plug.\u003c\/li\u003e\n    \u003cli\u003eOnce drained, find the thermostat housing. Loosen and remove the bolts securing its cover.\u003c\/li\u003e\n    \u003cli\u003eCarefully remove the old thermostat, gasket, and seal. Note the orientation of the thermostat.\u003c\/li\u003e\n    \u003cli\u003eThoroughly clean both the housing and cover surfaces, removing any old gasket material or corrosion.\u003c\/li\u003e\n    \u003cli\u003eInstall the new thermostat in the correct orientation, followed by the new seal and gasket.\u003c\/li\u003e\n    \u003cli\u003eRe-secure the housing cover, tightening bolts to the manufacturer’s specified torque.\u003c\/li\u003e\n    \u003cli\u003eClose the drain plug, refill the cooling system with the recommended coolant, and reconnect the battery. Run the engine and inspect carefully for any leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if my thermostat is failing?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs of a faulty thermostat include engine overheating, the engine running too cold and not reaching its correct operating temperature, or erratic readings on the temperature gauge.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the operating temperature of this thermostat?\u003c\/summary\u003e\n    \u003cp\u003eThis thermostat is rated to begin opening at 60°C (140°F), allowing coolant to circulate and maintain optimal engine temperature.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a complete kit for the job?\u003c\/summary\u003e\n    \u003cp\u003eYes, this kit includes the thermostat, the housing gasket, and the thermostat seal, which are the essential components needed for a standard replacement.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I reuse my old thermostat gasket or seal?\u003c\/summary\u003e\n    \u003cp\u003eIt is strongly recommended to always use the new gasket and seal provided in the kit. Reusing old components can lead to improper sealing and coolant leaks.\u003c\/p\u003es\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. The kit is manufactured in an ISO 9002 facility and batch-inspected for consistency and quality.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping Speed \u0026amp; Cost\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available for your region.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; Returns\u003c\/summary\u003e\n    \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal marine use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images and specifications against your original part before ordering. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement part, not an original equipment manufacturer (OEM) component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is highly recommended for safety, performance, and to prevent engine damage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world saltwater conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — We offer free standard delivery to most regions, with parts typically arriving in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Our model delivers fair pricing without compromising on high-quality materials or stringent quality control.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723777839419,"sku":"GH-TH23620-Y","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/GH-TH23620-Y.png?v=1763031572","url":"https:\/\/seasierra.com\/products\/thermostat-repair-service-kit-fits-yamaha-4-stroke-150-hp-replaces-67f-12411-00-6cb-12411-00-63p-12414-00","provider":"SeaSierra","version":"1.0","type":"link"}