{"product_id":"19210-zv4-651-thermostat-for-honda-bf8c-bf9-9am-bf15a1-bf15a2-bf15a3-bf15am-bf15ax-bf15ay-bf15b-bf15b2-bf15bx-jlm-marine","title":"19210-ZV4-651 Thermostat for Honda BF8C BF9.9AM BF15A1 BF15A2 BF15A3 BF15AM BF15AX BF15AY BF15B BF15B2 BF15BX | JLM Marine","description":"\u003ch2\u003e19210-ZV4-651 Thermostat for Honda BF8C BF9.9AM BF15A1 BF15A2 BF15A3 BF15AM BF15AX BF15AY BF15B BF15B2 BF15BX\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket replacement thermostat is engineered for Honda outboard engines in the \u003cstrong\u003eBF8\u003c\/strong\u003e, \u003cstrong\u003eBF9.9\u003c\/strong\u003e, and \u003cstrong\u003eBF15\u003c\/strong\u003e series. Designed to regulate engine temperature precisely, it ensures reliable cooling performance across a wide range of Honda models including BF8C, BF9.9AM\/AX\/B\/BX, and BF15A1\/A2\/A3\/AM\/AX\/AY\/B\/B2\/BX variants.\u003c\/p\u003e\n\n\u003cp\u003eThis thermostat directly replaces Honda OEM part number \u003cstrong\u003e19210-ZV4-651\u003c\/strong\u003e, providing a cost-effective solution without compromising on quality or fitment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMaintains optimal engine operating temperature\u003c\/li\u003e\n  \u003cli\u003ePrecision-engineered to OEM specifications\u003c\/li\u003e\n  \u003cli\u003eEssential component for preventing overheating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003e19210-ZV4-651\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003eBF8C, CX\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003eBF9.9AM, AX, B, BX\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003eBF15A1, A2, A3, AM, AX, AY, B, B2, BX\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e19210-ZV4-651\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Brand\u003c\/td\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePart Type\u003c\/td\u003e\n      \u003ctd\u003eThermostat\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Disconnect the battery and allow the engine to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Coolant:\u003c\/strong\u003e If applicable, drain the cooling system to prevent spillage during thermostat removal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccess the Thermostat Housing:\u003c\/strong\u003e Locate the thermostat housing on your Honda outboard engine. Remove any covers or components obstructing access.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Old Thermostat:\u003c\/strong\u003e Unbolt the thermostat housing cover and carefully extract the old thermostat. Clean the mating surfaces thoroughly to remove old gasket material and debris.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall New Thermostat:\u003c\/strong\u003e Position the new thermostat in the housing, ensuring correct orientation (spring side typically faces into the engine). Align it properly with the housing seat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble Housing:\u003c\/strong\u003e Install a new gasket if provided, then reattach the thermostat housing cover. Torque bolts to manufacturer specifications in a cross pattern.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill \u0026amp; Bleed:\u003c\/strong\u003e Refill the cooling system if drained and bleed any air pockets according to your engine's service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Operation:\u003c\/strong\u003e Reconnect the battery, start the engine, and monitor temperature gauge. Check for leaks around the thermostat housing and verify proper cooling system operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this thermostat fits my Honda outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine model with the compatibility table above. Verify your original part number matches \u003cstrong\u003e19210-ZV4-651\u003c\/strong\u003e to ensure proper fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the thermostat?\u003c\/strong\u003e\u003cbr\u003e\nA: Thermostats should be inspected annually and replaced every 2–3 years or whenever you notice symptoms of overheating, erratic temperature readings, or cooling system issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs of a failing thermostat?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include engine overheating, fluctuating temperature gauge readings, poor cabin heat (if applicable), or the engine running cooler than normal. Any of these warrant immediate inspection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51940925636921,"sku":"17IH004K","price":13.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/10_90bec670-35f9-477d-8553-98702d801f52.jpg?v=1772448442","url":"https:\/\/jlmmarine.com\/products\/19210-zv4-651-thermostat-for-honda-bf8c-bf9-9am-bf15a1-bf15a2-bf15a3-bf15am-bf15ax-bf15ay-bf15b-bf15b2-bf15bx-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}