{"product_id":"water-pump-repair-kit-fits-yamaha-4hp-5hp-6hp-4-stroke-outboards-replaces-6e0-w0078-00-6ee-w0078-01","title":"Water Pump Repair Kit – Fits Yamaha 4HP, 5HP, 6HP 4-Stroke Outboards (Replaces 6E0-W0078-00, 6EE-W0078-01)","description":"\u003csection\u003e\n\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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Repair Kit\u003c\/strong\u003e is engineered for Yamaha 4HP, 5HP, and 6HP 4-stroke outboard motors, covering models from 1999 through the current year, including F4A\/F4B, F5A, and F6C series engines. It provides all the essential components to restore your cooling system's performance and prevent overheating.\u003c\/p\u003e\n\u003cp\u003eThis kit is a direct interchange for Yamaha OEM part numbers 6E0-W0078-00, 6E0-W0078-01, 6E0-W0078-02, 6E0-W0078-A2, 6E0-W0078-A200, 6EE-W0078-00, and 6EE-W0078-01.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for direct OEM replacement installation.\u003c\/li\u003e\n\u003cli\u003eBuilt for standard marine operating conditions.\u003c\/li\u003e\n\u003cli\u003eIncludes impeller, housing, gaskets, plates, and hardware.\u003c\/li\u003e\n\u003c\/ul\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\u003e6E0-W0078-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-01\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-02\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A2\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A200\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and year in the table below. It is recommended to verify the correct kit series (6E0 vs. 6EE) by your engine's serial number, especially for models around 2009.\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\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        \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\u003eF4A\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2008\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-00\/01\/02\u003c\/td\u003e\n\u003ctd\u003eEarly models\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF4B\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2009–Present\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003eLater models\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF4LMHA\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–2020\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF4SMHA\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–2020\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF5A\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–Present\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-00\/01\/02, 6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF6C\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–Present\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-00\/01\/02, 6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF6LMHA\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–2020\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF6SMHA\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–2020\u003c\/td\u003e\n\u003ctd\u003e6EE-W0078-01\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\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eComposite\/Metal (varies by component)\u003c\/dd\u003e\n  \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003eMarine operating conditions\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor use with 4\/5\/6 HP 4-stroke Yamaha outboard engines\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eKit for 6E0-W0078 series numbers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Housing, Water Pump (6E0-44311-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket, Water Pump (6E0-44315-A0)\u003c\/li\u003e\n    \u003cli\u003e1 x Inner Water Pump (6E0-44322-02)\u003c\/li\u003e\n    \u003cli\u003e1 x Plate (6E0-44323-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Damper (6E0-44366-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E0-44352-00)\u003c\/li\u003e\n    \u003cli\u003e2 x Dowel Pin (93604-18080, 93604-09066)\u003c\/li\u003e\n    \u003cli\u003e1 x Plate (6E0-44328-00)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolts\u003c\/span\u003e (varies by kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eKit for 6EE-W0078 series numbers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Housing, Water Pump (6EE-G4311-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket, Water Pump (6EE-G4315-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Insert, Cartridge (6BX-44322-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Outer Plate, Cartridge (6BX-44323-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Damper, Water Seal 2 (67D-44366-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E0-44352-00-00)\u003c\/li\u003e\n    \u003cli\u003e2 x Pin, Dowel (93604-18080-00)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolt\u003c\/span\u003e (97080-06045-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and remove the engine cover.\u003c\/li\u003e\n\u003cli\u003ePlace a drain pan under the lower unit and remove the gearcase oil drain screw to empty the oil.\u003c\/li\u003e\n\u003cli\u003eRemove the bolts connecting the lower unit (gearcase) to the upper driveshaft housing. Carefully separate the lower unit.\u003c\/li\u003e\n\u003cli\u003eLocate the water pump housing on top of the gearcase. Unbolt and remove the housing.\u003c\/li\u003e\n\u003cli\u003eTake note of the component order. Remove the old impeller, gaskets, wear plates, and seals.\u003c\/li\u003e\n\u003cli\u003eClean the housing and mating surfaces thoroughly, ensuring no old gasket material remains.\u003c\/li\u003e\n\u003cli\u003eInstall the new components from the kit in the reverse order of disassembly. Lightly grease the new gaskets and impeller.\u003c\/li\u003e\n\u003cli\u003eEnsure the impeller fins are oriented correctly (curved against the direction of engine rotation).\u003c\/li\u003e\n\u003cli\u003eReinstall the water pump housing, tightening bolts to the manufacturer's specified torque.\u003c\/li\u003e\n\u003cli\u003eReattach the lower unit to the upper housing, ensuring the driveshaft and water tube align correctly.\u003c\/li\u003e\n\u003cli\u003eRefill the gearcase with fresh oil, reconnect the battery, and start the engine in water to test for proper water flow from the tell-tale outlet.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this kit fits my Yamaha outboard?\u003c\/summary\u003e\u003cp\u003eCheck your engine's model, horsepower, and year against the compatibility chart. For models made around 2009, it is best to verify your engine serial number to determine whether you need the earlier 6E0 series kit or the later 6EE series kit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water pump?\u003c\/summary\u003e\u003cp\u003eThe most common signs are a weak or non-existent water stream from the \"tell-tale\" outlet and the engine overheating alarm sounding. Reduced engine performance can also be an indicator.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I replace my water pump impeller?\u003c\/summary\u003e\u003cp\u003eAs a general maintenance rule, it is recommended to inspect and\/or replace the water pump impeller every 1 to 2 years, or every 100-200 hours of use, whichever comes first. This interval can vary based on operating conditions (e.g., saltwater vs. freshwater, sandy\/silty water).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between the 6E0 and 6EE kits?\u003c\/summary\u003e\u003cp\u003eThe 6EE-W0078-01 kit is for later model Yamaha engines (typically 2009 and newer) and contains slightly different components, such as a cartridge-style insert and plate, compared to the 6E0-W0078-00 kit used on earlier models. Please check our parts list and your engine requirements carefully.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs 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\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 tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723969302843,"sku":"I8wf2neLMA0","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/I8wf2neLMA0.png?v=1763038757","url":"https:\/\/seasierra.com\/products\/water-pump-repair-kit-fits-yamaha-4hp-5hp-6hp-4-stroke-outboards-replaces-6e0-w0078-00-6ee-w0078-01","provider":"SeaSierra","version":"1.0","type":"link"}