{"product_id":"water-pump-kit-fits-yamaha-2-stroke-115-130hp-replaces-yamaha-6e5-w0078-3a-00-sierra-18-3372-18-3373","title":"Water Pump Kit – Fits Yamaha 2-Stroke 115-130HP (Replaces Yamaha 6E5-W0078-3A-00, Sierra 18-3372, 18-3373)","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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eChrome Water Pump Kit – Fits Yamaha 2-Stroke Outboards (Replaces 6E5-W0078-3A-00)\u003c\/strong\u003e is designed to service Yamaha 115HP and 130HP two-stroke outboards manufactured between 1993 and 1996. It provides all the necessary components for a complete water pump rebuild, ensuring your engine maintains proper cooling and performance.\u003c\/p\u003e\n\u003cp\u003eThis kit is a direct replacement for Yamaha OEM part numbers 6E5-W0078-3A-00 and 6E5-W0078-3A, as well as Sierra aftermarket equivalents 18-3372 and 18-3373.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for direct replacement installation.\u003c\/li\u003e\n  \u003cli\u003eFeatures a durable, corrosion-resistant chrome housing.\u003c\/li\u003e\n  \u003cli\u003eBuilt to meet or exceed original manufacturer specifications.\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-3372\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-3373\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\u003cp\u003eCompatible with the following Yamaha 2-stroke outboard models:\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC115\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1992–1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1993–1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC130\u003c\/td\u003e\n        \u003ctd\u003e130\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eL130\u003c\/td\u003e\n        \u003ctd\u003e130\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1993–1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eS115\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eS130\u003c\/td\u003e\n        \u003ctd\u003e130\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eP115\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1993–1996\u003c\/td\u003e\n        \u003ctd\u003e6E5-W0078-3A-00\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\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Service Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect Replacement\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eChrome\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eMeets OEM Specifications\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWater Pump Housing\u003c\/li\u003e\n  \u003cli\u003eImpeller\u003c\/li\u003e\n  \u003cli\u003eGaskets\u003c\/li\u003e\n  \u003cli\u003eO-Rings\u003c\/li\u003e\n  \u003cli\u003eWoodruff Key\u003c\/li\u003e\n  \u003cli\u003eWashers\u003c\/li\u003e\n  \u003cli\u003eDowel Pins\u003c\/li\u003e\n  \u003cli\u003eBolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and safely secure the engine.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit (gearcase) from the outboard motor.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and remove the old water pump housing and impeller assembly.\u003c\/li\u003e\n  \u003cli\u003eThoroughly clean all mating surfaces to remove any old gasket material or sealant.\u003c\/li\u003e\n  \u003cli\u003eInstall the new woodruff key and slide the new impeller onto the driveshaft.\u003c\/li\u003e\n  \u003cli\u003eAssemble the new gaskets, plates, and housing as per the included components.\u003c\/li\u003e\n  \u003cli\u003eTorque the housing bolts to the manufacturer's specified values.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, ensuring the driveshaft and water tube align correctly.\u003c\/li\u003e\n  \u003cli\u003eStart the engine in a safe environment and verify a strong, consistent water stream from the tell-tale outlet.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this water pump kit fits my outboard?\u003c\/summary\u003e\u003cp\u003eThis kit is specifically designed for Yamaha 115HP and 130HP 2-stroke models from the 1993–1996 era. To ensure fitment, please check your engine's model number and year against the compatibility chart provided on this page.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the common signs of a failing water pump?\u003c\/summary\u003e\u003cp\u003eKey indicators of a worn or failing water pump include the engine overheating at low RPMs, a weak or intermittent water stream from the \"tell-tale\" cooling outlet, or, in severe cases, a steam-filled exhaust. Regular inspection is key.\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 crucial part of preventative maintenance, it is recommended to inspect your water pump impeller annually and replace it every 1-2 years or every 100-200 hours of operation, whichever comes first. This interval may be shorter in engines operated frequently in saltwater or silty\/sandy conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the chrome housing just for aesthetics?\u003c\/summary\u003e\u003cp\u003eWhile the polished chrome offers a distinct custom look, it also provides an extra layer of durability and corrosion resistance compared to standard painted housings, which is particularly beneficial in harsh saltwater environments.\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). It has been built to OEM-level specifications with comparable materials. The part is manufactured in an ISO 9002 facility and is batch-inspected for quality and 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 is 5–15 days. Standard shipping is free for most orders; expedited options will appear at checkout if they are available for your location.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal 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\u003c\/details\u003e\n\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\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\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":50718264230203,"sku":"23KY092","price":55.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_115HP-130HP_6E5-W0078_-_JLM_MARINE-8289072.jpg?v=1762958461","url":"https:\/\/seasierra.com\/products\/water-pump-kit-fits-yamaha-2-stroke-115-130hp-replaces-yamaha-6e5-w0078-3a-00-sierra-18-3372-18-3373","provider":"SeaSierra","version":"1.0","type":"link"}