{"product_id":"impeller-kit-with-key-fits-yamaha-40hp-50hp-55hp-60hp-70hp-replaces-6h3-44352-01-697-44352-00","title":"Impeller Kit with Key – Fits Yamaha 40HP 50HP 55HP 60HP 70HP (Replaces 6H3-44352-01, 697-44352-00)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\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  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eImpeller Kit with Key\u003c\/strong\u003e is engineered for Yamaha 2-stroke and 4-stroke outboards ranging from 40HP to 70HP. Compatible with models spanning from 1990 through 2003 and beyond, it covers a wide range of Yamaha series including standard, commercial, high-thrust, and tiller configurations across both carbureted and fuel-injected platforms.\u003c\/p\u003e\n\u003cp\u003eThis kit directly replaces Yamaha OEM part numbers 6H3-44352-01 and 697-44352-00, providing an aftermarket interchange for routine water pump maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes impeller and drive key for complete installation\u003c\/li\u003e\n  \u003cli\u003eDesigned for both 2-stroke and 4-stroke Yamaha outboards\u003c\/li\u003e\n  \u003cli\u003eSuitable for freshwater and saltwater applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\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        \u003cth\u003eNotes\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\u003e6H3-44352-01\u003c\/td\u003e\n        \u003ctd\u003eOEM equivalent\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e697-44352-00\u003c\/td\u003e\n        \u003ctd\u003eOEM equivalent\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"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\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eYears\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\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e40, C40, 40V, 40Y, P40\u003c\/td\u003e\n        \u003ctd\u003e1997+\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003eT50, T60\u003c\/td\u003e\n        \u003ctd\u003e1997+\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e50, C50, 50G, 50H, 55B, Pro50, P50\u003c\/td\u003e\n        \u003ctd\u003e1997+\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003eP50, P60\u003c\/td\u003e\n        \u003ctd\u003e1990–1996\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e55\u003c\/td\u003e\n        \u003ctd\u003eC55\u003c\/td\u003e\n        \u003ctd\u003e1990–1991\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003e40, 50\u003c\/td\u003e\n        \u003ctd\u003e1997+\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003eE60\u003c\/td\u003e\n        \u003ctd\u003e1997–2000\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003e60, C60, P60, 60F\u003c\/td\u003e\n        \u003ctd\u003e1997–2003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e70\u003c\/td\u003e\n        \u003ctd\u003e70, 70B, C70\u003c\/td\u003e\n        \u003ctd\u003e1997–2003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003eF40A, F40C, F45A\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003eF50A, F50B, F50F, FT50B, FT50C, FT50G\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003eF60A, F60C, FT60B, FT60D\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e70\u003c\/td\u003e\n        \u003ctd\u003eF70A\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 2-stroke and 4-stroke outboards 40–70 HP\u003c\/dd\u003e\n  \u003cdt\u003eReplaces OEM\u003c\/dt\u003e\n  \u003cdd\u003e6H3-44352-01, 697-44352-00\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eRubber impeller with metal drive key\u003c\/dd\u003e\n  \u003cdt\u003eEnvironment\u003c\/dt\u003e\n  \u003cdd\u003eFreshwater and saltwater\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eOutboard Rubber Impeller with Key \/ Pin\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and drain the lower unit if required by your model.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump housing cover and gasket to access the old impeller.\u003c\/li\u003e\n  \u003cli\u003eNote the rotation direction of the existing impeller before removal.\u003c\/li\u003e\n  \u003cli\u003eCarefully extract the old impeller and remove the drive key from the shaft.\u003c\/li\u003e\n  \u003cli\u003eInspect the impeller housing for scoring, corrosion, or debris; clean thoroughly.\u003c\/li\u003e\n  \u003cli\u003eLubricate the new impeller blades with glycerin or water-pump grease.\u003c\/li\u003e\n  \u003cli\u003eInstall the new drive key onto the driveshaft, ensuring it seats fully in the keyway.\u003c\/li\u003e\n  \u003cli\u003eSlide the new impeller onto the shaft, bending the vanes in the direction of rotation.\u003c\/li\u003e\n  \u003cli\u003eReplace gaskets and O-rings as needed; install the housing cover and secure fasteners to spec.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, run a water test, and confirm steady coolant flow from the tell-tale.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my impeller needs replacing?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include overheating, weak or absent tell-tale stream, and visible cracks or missing vanes during inspection. Replace the impeller annually or every 200–300 hours of operation as preventive maintenance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this kit fit both 2-stroke and 4-stroke models?\u003c\/summary\u003e\n  \u003cp\u003eYes. This impeller kit is designed for both 2-stroke and 4-stroke Yamaha outboards in the 40–70 HP range, as detailed in the compatibility table above.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the drive key included for?\u003c\/summary\u003e\n  \u003cp\u003eThe drive key locks the impeller to the driveshaft and transmits rotational force. Always replace it along with the impeller to prevent slippage or misalignment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this impeller in saltwater?\u003c\/summary\u003e\n  \u003cp\u003eYes. The rubber compound and construction are suitable for both freshwater and saltwater environments. Rinse the cooling system with fresh water after every saltwater outing to extend impeller life.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need any special tools for installation?\u003c\/summary\u003e\n  \u003cp\u003eBasic hand tools—screwdrivers, socket set, and gasket scraper—are typically sufficient. A torque wrench is recommended for reassembly to manufacturer specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat if the new impeller won't slide on easily?\u003c\/summary\u003e\n  \u003cp\u003eLubricate the vanes with glycerin or water-pump grease and bend them gently in the direction of shaft rotation. Never force the impeller; inspect the shaft and housing for burrs or debris.\u003c\/p\u003e\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). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\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 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025915478331,"sku":"UK17IY002","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_5f2c6e3d-d0f5-4519-aacf-080a9438d5e1.jpg?v=1772975131","url":"https:\/\/seasierra.com\/products\/impeller-kit-with-key-fits-yamaha-40hp-50hp-55hp-60hp-70hp-replaces-6h3-44352-01-697-44352-00","provider":"SeaSierra","version":"1.0","type":"link"}