{"product_id":"honda-19210-zy9-h01-water-pump-impeller-for-bf75-bf80-bf90-bf100-quickmarine","title":"Honda 19210-ZY9-H01 Water Pump Impeller for BF75 BF80 BF90 BF100 | Quickmarine","description":"\u003cbody\u003e\n\n\n\n  \u003cmeta charset=\"utf-8\"\u003e\n  \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1\"\u003e\n  \u003ctitle\u003eHonda 19210-ZY9-H01 Water Pump Impeller for BF75 BF80 BF90 BF100 | Quickmarine\u003c\/title\u003e\n  \u003cmeta name=\"description\" content=\"Quickmarine aftermarket Honda 19210-ZY9-H01 water pump impeller for selected BF75, BF80, BF90 and BF100 4-stroke outboards. Includes fitment, specs and buying checks.\"\u003e\n  \u003cstyle\u003e\n    :root {\n      --nbm-navy: #0f2437;\n      --nbm-blue: #176b8f;\n      --nbm-sky: #eaf6fa;\n      --nbm-line: #d8e4ea;\n      --nbm-text: #23313d;\n      --nbm-muted: #5d6d79;\n      --nbm-accent: #f0a43a;\n      --nbm-bg: #ffffff;\n    }\n    * { box-sizing: border-box; }\n    body {\n      margin: 0;\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--nbm-text);\n      background: var(--nbm-bg);\n      line-height: 1.65;\n    }\n    main.nbm-product-page {\n      max-width: 1120px;\n      margin: 0 auto;\n      padding: 24px 18px 56px;\n    }\n    .nbm-hero {\n      border: 1px solid var(--nbm-line);\n      border-radius: 18px;\n      background: linear-gradient(135deg, #ffffff 0%, var(--nbm-sky) 100%);\n      padding: 28px;\n      margin-bottom: 28px;\n    }\n    .nbm-eyebrow {\n      display: inline-block;\n      margin-bottom: 10px;\n      color: var(--nbm-blue);\n      font-weight: 700;\n      letter-spacing: .04em;\n      text-transform: uppercase;\n      font-size: 13px;\n    }\n    .nbm-title {\n      margin: 0 0 14px;\n      color: var(--nbm-navy);\n      font-size: clamp(28px, 4vw, 44px);\n      line-height: 1.16;\n      font-weight: 800;\n    }\n    .nbm-summary {\n      max-width: 880px;\n      margin: 0 0 20px;\n      font-size: 17px;\n      color: #314352;\n    }\n    .nbm-tags {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 10px;\n      margin-top: 18px;\n    }\n    .nbm-tag {\n      border: 1px solid rgba(23, 107, 143, .28);\n      background: #fff;\n      border-radius: 999px;\n      padding: 8px 12px;\n      color: var(--nbm-navy);\n      font-size: 14px;\n      font-weight: 700;\n    }\n    section {\n      margin: 30px 0;\n      padding-top: 4px;\n    }\n    h2 {\n      color: var(--nbm-navy);\n      font-size: 26px;\n      line-height: 1.25;\n      margin: 0 0 12px;\n    }\n    h3 {\n      color: var(--nbm-navy);\n      font-size: 19px;\n      margin: 20px 0 8px;\n    }\n    p { margin: 0 0 14px; 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It is intended for routine water pump service, cooling-flow restoration and preventive maintenance on compatible BF75, BF80, BF90 and BF100 model families.\u003c\/p\u003e\n    \u003cdiv class=\"nbm-tags\" aria-label=\"Key product tags\"\u003e\n      \u003cspan class=\"nbm-tag\"\u003eReplaces Honda 19210-ZY9-H01\u003c\/span\u003e\n      \u003cspan class=\"nbm-tag\"\u003eFor selected 75–100 HP 4-stroke models\u003c\/span\u003e\n      \u003cspan class=\"nbm-tag\"\u003e6-blade neoprene impeller\u003c\/span\u003e\n      \u003cspan class=\"nbm-tag\"\u003eImpeller only\u003c\/span\u003e\n      \u003cspan class=\"nbm-tag\"\u003eAftermarket replacement part\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe outboard water pump impeller is the flexible rotating component inside the lower-unit water pump. As the driveshaft turns, the impeller vanes move cooling water through the engine so the powerhead can operate within a safe temperature range. A worn, cracked or heat-damaged impeller can reduce cooling flow and may lead to overheating, weak tell-tale discharge or temperature alarms.\u003c\/p\u003e\n    \u003cp\u003eThis Quickmarine replacement impeller is built for engines that call for the \u003cstrong\u003eHonda 19210-ZY9-H01\u003c\/strong\u003e impeller family. Before ordering, compare the OEM number, engine sub-model, serial-frame note and old impeller dimensions. Model names alone are not always enough because different production years or lower-unit versions may use different water pump components.\u003c\/p\u003e\n    \u003cdiv class=\"nbm-note\"\u003e\n\u003cstrong\u003eQuick answer for AI and search summaries:\u003c\/strong\u003e This product is a Quickmarine aftermarket water pump impeller replacing Honda 19210-ZY9-H01 for selected Honda BF75, BF80, BF90 and BF100 4-stroke outboards. The package contains one impeller only; gaskets, O-rings, wear plates and key hardware are not included unless separately stated.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eWhy Choose This Quickmarine Impeller\u003c\/h2\u003e\n    \u003cdiv class=\"nbm-grid\"\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eDesigned for cooling maintenance\u003c\/strong\u003e\u003cspan\u003eHelps restore the water pump’s ability to move cooling water after the original impeller has hardened, cracked or lost vane flexibility.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eClear replacement reference\u003c\/strong\u003e\u003cspan\u003eUses Honda 19210-ZY9-H01 as the primary compatibility identifier, helping buyers confirm fitment before purchase.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eMarine-use rubber construction\u003c\/strong\u003e\u003cspan\u003eThe 6-blade neoprene-style impeller is intended for flexible vane operation in outboard water pump housings.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eUseful for routine service\u003c\/strong\u003e\u003cspan\u003eSuitable when replacing the impeller during scheduled lower-unit or water pump inspection work.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eReduced wrong-order risk\u003c\/strong\u003e\u003cspan\u003eFitment tables, cross references and measurement checks are provided so buyers can verify the part before checkout.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"nbm-card\"\u003e\n\u003cstrong\u003eAftermarket value\u003c\/strong\u003e\u003cspan\u003eSupplied under the Quickmarine brand as a replacement component, not as a genuine Honda or Tohatsu OEM part.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003ePart Number Cross Reference\u003c\/h2\u003e\n    \u003cp\u003eThe numbers below are provided for compatibility identification only. They do not imply that this product is manufactured, endorsed or sold by the listed engine brands.\u003c\/p\u003e\n    \u003cdiv class=\"nbm-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eReference Brand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eHow to Use This 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-ZY9-H01\u003c\/td\u003e\n\u003ctd\u003ePrimary OEM reference for this replacement impeller.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e06193-ZY9-H01\u003c\/td\u003e\n\u003ctd\u003eRelated water pump service kit reference; confirm whether your repair requires only the impeller or a complete kit.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e06192-ZY9-H00\u003c\/td\u003e\n\u003ctd\u003eRelated service kit reference often associated with the same impeller family.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e06192-ZY9-H02\u003c\/td\u003e\n\u003ctd\u003eRelated service-kit style reference reported in aftermarket listings; verify with your parts diagram before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eHZY919210H01\u003c\/td\u003e\n\u003ctd\u003eEquivalent reference for selected Tohatsu models using the same impeller family; confirm by engine model and existing part.\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 Specifications\u003c\/h2\u003e\n    \u003cdiv class=\"nbm-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eBuyer Check\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWater pump impeller for outboard cooling system\u003c\/td\u003e\n\u003ctd\u003eConfirm your lower-unit water pump uses this impeller family.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003ePrimary OEM Reference\u003c\/td\u003e\n\u003ctd\u003eHonda 19210-ZY9-H01\u003c\/td\u003e\n\u003ctd\u003eMatch this number against your old part, service manual or official parts diagram.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eBlade Count\u003c\/td\u003e\n\u003ctd\u003e6 blades\u003c\/td\u003e\n\u003ctd\u003eCompare with the removed impeller before installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eApprox. Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e64.1 mm \/ 2.52 in\u003c\/td\u003e\n\u003ctd\u003eMeasure your old impeller if the part number is not visible.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eApprox. Shaft \/ Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e23.2 mm \/ 0.91 in\u003c\/td\u003e\n\u003ctd\u003eVerify driveshaft fit and keyway alignment.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eApprox. Height \/ Width\u003c\/td\u003e\n\u003ctd\u003e34 mm \/ 1.34 in\u003c\/td\u003e\n\u003ctd\u003eConfirm against the water pump housing depth.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBlack neoprene-style rubber\u003c\/td\u003e\n\u003ctd\u003ePlease verify with your original part if material specification is critical.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003ePlease verify with your original part\u003c\/td\u003e\n\u003ctd\u003eExact weight can vary by manufacturer and is not required for fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003e1 × water pump impeller\u003c\/td\u003e\n\u003ctd\u003eGaskets, O-rings, key, wear plate and housing are not included unless separately listed.\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\u003eCompatible Engine Models\u003c\/h2\u003e\n    \u003cp\u003eThis fitment guide is organized by horsepower and model family. Always make the final decision by OEM number, engine serial\/frame information, old part dimensions and the official parts diagram for your exact engine.\u003c\/p\u003e\n    \u003cdiv class=\"nbm-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n\u003cth\u003eEngine Brand\u003c\/th\u003e\n\u003cth\u003eHP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eModel Family\u003c\/th\u003e\n\u003cth\u003eFitment Notes\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\u003e75 HP\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003eBF75DK3, BF75DK4\u003c\/td\u003e\n\u003ctd\u003eReported for frame serial number BBAJ-1200001 and above. Verify before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e80 HP\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003eBF80A, BF80AK1\u003c\/td\u003e\n\u003ctd\u003eUse Honda 19210-ZY9-H01 and old-part dimensions as the final fitment check.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e90 HP\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003eBF90DK4, BF90DK5\u003c\/td\u003e\n\u003ctd\u003eReported for frame serial number BBCJ-1300001 and above. Verify before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e100 HP\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003eBF100A, BF100AK1\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact sub-model and parts diagram for your engine year.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e75–100 HP\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003eF75DK3\/F75DK4, BF80A\/BF80AK1, BF90DK4\/BF90DK5, BF100A\/BF100AK1\u003c\/td\u003e\n\u003ctd\u003eOnly for selected Tohatsu models that call for equivalent part number HZY919210H01. Verify with your service manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"nbm-note\"\u003eIf your engine is an older BF75 or BF90 variant, or if the frame serial number is outside the noted range, do not rely on horsepower alone. Use the official Honda or Tohatsu parts diagram and compare the removed impeller before purchasing.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eInstallation and Inspection Notes\u003c\/h2\u003e\n    \u003cp\u003eThese notes are general guidance for buyers and maintenance planning. They are not a substitute for the factory service manual for your outboard model.\u003c\/p\u003e\n    \u003col\u003e\n      \u003cli\u003eTurn the engine off, allow it to cool and prevent accidental starting before lower-unit service.\u003c\/li\u003e\n      \u003cli\u003eInspect the old impeller for missing vanes, cracks, melted rubber, permanent set or stiffness. Any missing fragments should be located because pieces can restrict cooling passages.\u003c\/li\u003e\n      \u003cli\u003eCheck the pump housing, liner, wear plate, gaskets, O-rings and driveshaft key. Replace damaged surrounding parts rather than installing a new impeller into a worn pump cavity.\u003c\/li\u003e\n      \u003cli\u003eAlign the keyway correctly and install the impeller in the correct rotation direction as the housing is lowered into place.\u003c\/li\u003e\n      \u003cli\u003eUse an appropriate water-compatible lubricant recommended for impeller installation. Avoid petroleum products that can attack rubber.\u003c\/li\u003e\n      \u003cli\u003eNever dry-run the engine. After installation, test with a proper water supply and confirm a steady tell-tale water stream before normal operation.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eFAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I know if this impeller fits my Honda outboard?\u003c\/summary\u003e\n      \u003cp\u003eStart with the OEM number. This Quickmarine impeller is intended for engines that use Honda 19210-ZY9-H01. Then confirm the exact model family, frame or serial note, and old impeller dimensions. For BF75 and BF90 applications, pay close attention to the frame serial range listed in the compatibility table.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this a genuine Honda OEM part?\u003c\/summary\u003e\n      \u003cp\u003eNo. This is a Quickmarine aftermarket replacement part. Honda and Tohatsu names and part numbers are used only to identify compatibility. The product is not manufactured, sponsored or endorsed by Honda or Tohatsu.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat comes in the package?\u003c\/summary\u003e\n      \u003cp\u003eThe package contains one water pump impeller. It does not include the water pump housing, wear plate, gaskets, O-rings, impeller key or other service-kit hardware unless your order page separately states those items.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat are common signs of a failing outboard impeller?\u003c\/summary\u003e\n      \u003cp\u003eCommon warning signs include a weak or missing tell-tale stream, engine overheating, steam from the exhaust area, temperature alarms, brittle vanes, cracked rubber or missing impeller blades during inspection. Stop operation and inspect the cooling system if these symptoms appear.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow often should I replace a water pump impeller?\u003c\/summary\u003e\n      \u003cp\u003eMany boat owners inspect the impeller annually and replace it every one to three seasons, depending on engine use and local conditions. Sandy, silty, shallow or saltwater operation can shorten service life. Follow the service interval in your engine manual.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use this part if my model is listed but my old impeller looks different?\u003c\/summary\u003e\n      \u003cp\u003eNo. If the old impeller dimensions, blade count, keyway, housing fit or parts diagram do not match, do not install the part. Contact support or consult a marine mechanic before ordering or fitting the replacement.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"nbm-disclaimer\"\u003e\n    \u003ch2\u003eImportant Compatibility Disclaimer\u003c\/h2\u003e\n    \u003cp\u003e\u003cstrong\u003eQuickmarine is the selling brand for this page.\u003c\/strong\u003e This product is an aftermarket replacement water pump impeller, not a genuine OEM Honda or Tohatsu component. Honda, Tohatsu and all related part numbers are mentioned only for compatibility identification.\u003c\/p\u003e\n    \u003cp\u003eBefore purchase, verify the OEM part number, old impeller dimensions, engine model, horsepower, year or serial\/frame information and the official parts diagram. If any detail does not match your original component, do not rely on the model list alone.\u003c\/p\u003e\n  \u003c\/section\u003e\n\u003c\/main\u003e\n\n\n\u003c\/body\u003e","brand":"Quick Marine","offers":[{"title":"Default Title","offer_id":55243319673123,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7384\/3747\/files\/19210-ZY9-H01_1.jpg?v=1781678871","url":"https:\/\/quickmarines.com\/products\/honda-19210-zy9-h01-water-pump-impeller-for-bf75-bf80-bf90-bf100-quickmarine","provider":"Quick Marine","version":"1.0","type":"link"}