{"title":"Yamaha 4-Stroke 9.9-15HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"max-width: 980px; margin: 0 auto; padding: 16px 12px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Yamaha 4‑Stroke 9.9–15HP outboard engines. Use it to find compatible parts and service information, including routine maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Yamaha collection for a broader selection. Scroll to the bottom of this page to start browsing parts for this engine. On the collection page, use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:4px;\"\u003eBrowse All Yamaha Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 9.9–15HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look for the model\/serial tag on the top outside edge of the clamp bracket, or on the swivel bracket (port or starboard).\u003c\/li\u003e\n    \u003cli\u003eReading the code: Common prefixes include F9.9, F15, and T9.9 (High Thrust). Suffix letters\/numbers indicate shaft length (S\/L\/X), start\/control type (M = manual, E = electric start, R = remote), and a year code.\u003c\/li\u003e\n    \u003cli\u003e4‑Stroke identifiers: Engine has an oil fill cap\/dipstick and valve cover. Many models are carbureted; later variants may be EFI—check the label or manual.\u003c\/li\u003e\n    \u003cli\u003eHigh Thrust vs. standard: T9.9 models use a different gear ratio and larger diameter propeller for better low‑speed thrust; note this when selecting propellers and gearcase parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eStandard Portable (F9.9 \/ F15)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInline‑2 SOHC 4‑stroke; carbureted on many models, EFI on later variants depending on year\/market.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eF9.9 (e.g., F9.9MSH, F9.9ELR) and F15 (e.g., F15MSH, F15ELR), tiller or remote, short\/long shafts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLightweight, quiet, fuel‑efficient; easy to service with widely available parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eMany service items (plugs, anodes, impeller kits) are shared between 9.9HP and 15HP within the same generation; confirm by model code for exact fit.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eHigh Thrust (T9.9)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInline‑2 SOHC 4‑stroke; tuned for low‑speed thrust with a different gear ratio and larger propeller.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eT9.9 tiller or remote variants (e.g., T9.9ELR), popular for sailboats, kickers, and heavy displacement hulls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSuperior control at idle and trolling speeds; strong maneuvering thrust for larger\/heavier boats.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePropellers and some lower‑unit components differ from standard F9.9\/F15. Always select parts by model and gear ratio.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the maintenance schedule and specifications in your official Yamaha service manual.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eUse marine‑grade FC‑W oil and the correct filter for your model; warm engine before draining.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-service-maintenance-kits\"\u003eYamaha Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect drain plug magnet; if milky oil is present, pressure test and replace seals as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eVerify plug type\/gap by model code and manual; replace in pairs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark plug\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filter (inline or under‑cowl)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace more often with ethanol fuel or if storage is frequent; check for water\/debris.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 2–3 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eService more frequently in sandy\/silty water; inspect housing and key.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect often; replace when ~50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eChoose zinc\/aluminum\/magnesium based on water type (salt\/brackish\/fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eThermostat\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 2 years or if temp is erratic\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace if stuck open\/closed; verify correct operating temperature.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\"\u003eYamaha Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-service-maintenance-kits\"\u003eYamaha Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-propellers\"\u003eYamaha Propellers\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/propeller-guards\"\u003ePropeller Guards\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect intake screens for debris, confirm strong primer bulb, verify impeller condition and thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump repair kit, thermostat, intake screens, tell‑tale grommets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck propeller for damage\/slip, confirm clean fuel and filters, inspect spark plugs, verify throttle linkage.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePropeller, fuel filter, spark plugs, carburetor components (or EFI fuel system parts)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePrime system, check choke\/enrichment, inspect plugs and plug caps, look for vacuum leaks or fouled idle circuits.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs, fuel filter, carburetor jets\/gaskets, intake gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect for fishing line on prop shaft, check gear oil condition, perform seal and pressure test if water intrusion is suspected.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLower unit seal kit, bearings, thrust washers, prop shaft hardware\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between F9.9, F15, and T9.9 models?\u003c\/summary\u003e\n    \u003cp\u003eMany routine service items overlap within the same generation, but high‑thrust (T9.9) models use different propellers and some gearcase components. Always confirm by full model code and serial before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, service the impeller every 2–3 seasons or ~200 hours, and sooner if run in sandy\/silty or shallow waters, or if the tell‑tale stream weakens.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or annually. Inspect the drain plug magnet and oil condition; milky oil indicates water intrusion and the need for seal inspection.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the complete model code (e.g., F9.9 or F15 with suffix), serial number, shaft length, start\/control type, and any notable features (e.g., High Thrust\/EFI). Photos of the nameplate and the part being replaced are very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"max-width: 980px; margin: 0 auto; padding: 8px 12px;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Yamaha collection and use Filter \u0026amp; Sort to quickly narrow to what fits your engine.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:4px;\"\u003eShop Yamaha Outboard Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n  \u003cp style=\"color:#444;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility before you order.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"carburetor-assembly-fits-yamaha-15hp-four-stroke-outboards-replaces-66m-14301-11-00-18-34600","title":"Aftermarket Carburetor Assembly for Yamaha 15 HP 4-Stroke Outboards – Replaces 66M-14301-11-00, 66M-14301-12-00 and Sierra 18-34600","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is one aftermarket \u003cstrong\u003ecarburetor assembly\u003c\/strong\u003e for selected Yamaha 15 HP four-stroke outboards. The assembly is listed for Yamaha 15 HP manual-start applications from 1998–2001 and for Yamaha 15 HP four-stroke applications from 1998 onward, subject to the exact engine model and serial-range requirements.\u003c\/p\u003e\n\u003cp\u003eThe assembly is identified as a replacement for Yamaha part numbers \u003cstrong\u003e66M-14301-11-00\u003c\/strong\u003e and \u003cstrong\u003e66M-14301-12-00\u003c\/strong\u003e. It is also cross-referenced to aftermarket number \u003cstrong\u003eSierra 18-34600\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket replacement carburetor assembly for selected Yamaha 15 HP four-stroke outboards.\u003c\/li\u003e\n\u003cli\u003eSupplied as one complete carburetor assembly.\u003c\/li\u003e\n\u003cli\u003eDesigned for applications using the listed Yamaha carburetor references; confirm the original part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references when comparing the replacement with the carburetor currently installed on your engine. These numbers identify the application references and should not be treated as proof of fitment without checking the complete engine model.\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 or Source\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eRole\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\u003e66M-14301-11-00\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e66M-14301-12-00\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-34600\u003c\/td\u003e\n        \u003ctd\u003eAftermarket cross-reference\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\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the engine model, year, starting configuration and serial range. Match the original carburetor reference and verify the complete model designation before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha Engine Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYear or Range\u003c\/th\u003e\n        \u003cth\u003eReference\u003c\/th\u003e\n        \u003cth\u003eConditions\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\u003e15 HP manual-start applications\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e66M-14301-11-00 \/ 66M-14301-12-00\u003c\/td\u003e\n        \u003ctd\u003eConfirm the exact model and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e15 HP four-stroke applications\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1998 onward\u003c\/td\u003e\n        \u003ctd\u003e66M-14301-11-00 \/ 66M-14301-12-00\u003c\/td\u003e\n        \u003ctd\u003eApplication is not universal; verify the original carburetor number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF15ELHZ, F15ESHZ, F15MLHZ and F15MSHZ\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2001\u003c\/td\u003e\n        \u003ctd\u003e66M-14301-11-00\u003c\/td\u003e\n        \u003ctd\u003eCatalog-listed carburetor assembly application.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eSelected F15 model variants\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2002–2003\u003c\/td\u003e\n        \u003ctd\u003e66M-14301-11-00\u003c\/td\u003e\n        \u003ctd\u003eVerify the exact model designation and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe available records support Yamaha 15 HP four-stroke applications. Do not assume fitment for other brands, horsepower ratings or engine families based only on a similar-looking carburetor.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket carburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha 15 HP four-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eStarting Configuration\u003c\/dt\u003e\n  \u003cdd\u003eManual-start applications are listed for 1998–2001\u003c\/dd\u003e\n  \u003cdt\u003eReplacement References\u003c\/dt\u003e\n  \u003cdd\u003e66M-14301-11-00, 66M-14301-12-00 and Sierra 18-34600\u003c\/dd\u003e\n  \u003cdt\u003eQuantity\u003c\/dt\u003e\n  \u003cdd\u003eOne carburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eFuel System\u003c\/dt\u003e\n  \u003cdd\u003eCarbureted gasoline outboard fuel system\u003c\/dd\u003e\n  \u003cdt\u003eFitment Verification\u003c\/dt\u003e\n  \u003cdd\u003eMatch the original part number and confirm the complete engine model, year and serial range.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x aftermarket carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional components are confirmed by the available product record. Gaskets, linkages, hoses and adjustment hardware are not included unless specifically shown or stated by the seller.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTurn off the engine, allow it to cool completely and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery where appropriate and follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n\u003cli\u003eRemove the engine cowling and document the routing of the fuel line, throttle linkage and choke linkage before disassembly.\u003c\/li\u003e\n\u003cli\u003eShut off or drain the fuel supply as required, then disconnect the fuel line and linkages carefully.\u003c\/li\u003e\n\u003cli\u003eRemove the mounting hardware and take off the original carburetor without damaging the intake gasket or mating surfaces.\u003c\/li\u003e\n\u003cli\u003eCompare the replacement assembly with the original before installation, including mounting points, fuel connection and linkage positions.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement using the correct gasket and torque procedure specified in the engine service manual.\u003c\/li\u003e\n\u003cli\u003eReconnect the fuel line and all linkages, then inspect for leaks before starting the engine.\u003c\/li\u003e\n\u003cli\u003eSet idle speed and any permitted adjustments according to the Yamaha service information for the specific engine model.\u003c\/li\u003e\n\u003cli\u003eRun the engine only in a safe, properly ventilated test environment and check for smooth starting, idle and acceleration.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm that this carburetor fits my Yamaha F15?\u003c\/summary\u003e\u003cp\u003eCheck the complete engine model, year, starting configuration and serial range, then compare the number on the original carburetor with 66M-14301-11-00 or 66M-14301-12-00. A visual resemblance alone is not sufficient to confirm fitment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich Yamaha applications are listed?\u003c\/summary\u003e\u003cp\u003eThe available product information lists Yamaha 15 HP manual-start applications from 1998–2001 and Yamaha 15 HP four-stroke applications from 1998 onward. Catalog records also identify the reference 66M-14301-11-00 on selected F15 model variants from 2001 through 2003. Verify the exact model and serial range before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an original Yamaha carburetor?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement assembly. Yamaha part numbers are shown only as application and replacement references.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the package include a gasket or other installation parts?\u003c\/summary\u003e\u003cp\u003eThe confirmed package content is one carburetor assembly. A gasket, fuel line, linkage, mounting hardware or other accessory is not confirmed as included unless separately stated in the order details.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill the carburetor require adjustment after installation?\u003c\/summary\u003e\u003cp\u003eAdjustment may be required. Use the service procedure for the specific engine and do not change settings beyond the manufacturer's instructions. Check fuel connections and verify safe operation before normal use.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat symptoms can indicate a carburetor problem?\u003c\/summary\u003e\u003cp\u003eHard starting, rough idle, stalling, hesitation, poor acceleration, fuel leakage or poor fuel economy can be associated with carburetor or fuel-system problems. Inspect the complete fuel system and seek qualified service when necessary.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the Sierra cross-reference?\u003c\/summary\u003e\u003cp\u003eSierra 18-34600 is the aftermarket cross-reference listed for this carburetor application. Always compare the complete engine and original-part information before purchasing.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the original carburetor reference and complete engine model before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not rely on horsepower alone; year, starting configuration, model suffix and serial range can affect fitment.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an original Yamaha component.\u003c\/li\u003e\n\u003cli\u003eFuel-system work should be performed by a qualified technician when you are not familiar with marine engine service.\u003c\/li\u003e\n\u003cli\u003eInspect all fuel connections for leaks before operating the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMarine replacement parts selected for practical repair and maintenance applications.\u003c\/li\u003e\n\u003cli\u003eClear aftermarket cross-references to help customers compare replacement options.\u003c\/li\u003e\n\u003cli\u003eFitment-focused product information for safer, more confident ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718273208635,"sku":"JLM17CA66M-G","price":97.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/IMG_3964.jpg?v=1762958800"},{"product_id":"water-pump-repair-kit-fits-yamaha-6-15-hp-replaces-63v-44301-00-63v-w0078-00","title":"Water Pump Service Kit with Housing for Yamaha Outboards – 2-Stroke 9.9\/15 HP and 4-Stroke F9.9-2, T9.9-2, F15","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ewater pump service kit with housing\u003c\/strong\u003e is an aftermarket replacement assembly for selected Yamaha outboard engines. It is intended to restore water circulation through the cooling system by replacing the water pump housing and related service components in the lower unit.\u003c\/p\u003e\n\u003cp\u003eCompany fitment information covers Yamaha 2-stroke 9.9 HP and 15 HP outboards from 1996–2023, plus selected 4-stroke F9.9-2, T9.9-2, and F15 models. The kit is associated with Yamaha reference number \u003cstrong\u003e63V-W0078-00 WH\u003c\/strong\u003e and aftermarket reference \u003cstrong\u003eSierra 18-3412\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete service kit supplied with a water pump housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for installation in the lower-unit gearcase.\u003c\/li\u003e\n  \u003cli\u003eReplaces worn pump components to help restore reliable cooling-water flow.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact engine model, stroke, year, and original pump assembly before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are customer-facing OEM or aftermarket references associated with this water pump kit. Part-number revisions and application conditions can vary by engine model.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or source\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-00 WH\u003c\/td\u003e\n\u003ctd\u003eCompany-listed reference for the kit with housing.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-00-00\u003c\/td\u003e\n\u003ctd\u003eCatalog reference associated with the water pump repair kit.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-01-00\u003c\/td\u003e\n\u003ctd\u003eCatalog reference associated with selected 2-stroke and 4-stroke applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-44301-00 \/ 63V-44301-00-00\u003c\/td\u003e\n\u003ctd\u003eWater pump housing reference associated with the complete kit in aftermarket catalog data.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3412\u003c\/td\u003e\n\u003ctd\u003eAftermarket water pump kit reference; company-listed for this product.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3356\u003c\/td\u003e\n\u003ctd\u003eAftermarket housing reference found in catalog cross-reference data; verify before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHJ\u003c\/td\u003e\n\u003ctd\u003eYHJB-63V\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-43254\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003e15-06060001\u003c\/td\u003e\n\u003ctd\u003eDatabase cross-reference; verify application before ordering.\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\u003eUse the complete engine identification—not horsepower alone—to confirm fitment. Keep the stroke type, model designation, and year together when comparing your engine with the information below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine Model Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or family\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears or scope\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003e9.9 \/ 15\u003c\/td\u003e\n\u003ctd\u003e9.9, 15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2023\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment scope.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eF9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eT9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003eF15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel-specific\u003c\/td\u003e\n\u003ctd\u003eCompany-listed fitment; verify the full model code and year.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eCatalog references also associate this pump family with selected Yamaha 9.9 HP and 15 HP 2-stroke models and selected F9.9, T9.9, and F15 4-stroke models. Because model suffixes, production years, and lower-unit configurations can affect fitment, compare the original housing and pump assembly before installation.\u003c\/p\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 with housing\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Location\u003c\/dt\u003e\n\u003cdd\u003eLower unit \/ gearcase\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Yamaha 2-stroke and 4-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003e2-Stroke Fitment\u003c\/dt\u003e\n\u003cdd\u003e9.9 HP and 15 HP, 1996–2023 according to company fitment data\u003c\/dd\u003e\n  \u003cdt\u003e4-Stroke Fitment\u003c\/dt\u003e\n\u003cdd\u003eF9.9-2, T9.9-2, and F15 according to company fitment data\u003c\/dd\u003e\n  \u003cdt\u003eHousing\u003c\/dt\u003e\n\u003cdd\u003eIncluded\u003c\/dd\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis is a complete service kit with housing. Component names and quantities may vary slightly by the exact engine application; compare the supplied parts with the original assembly before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water pump housing\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n  \u003cli\u003e1 x Wear plate\u003c\/li\u003e\n  \u003cli\u003e1 x Impeller key\u003c\/li\u003e\n  \u003cli\u003e1 x Insert or pump cup\u003c\/li\u003e\n  \u003cli\u003eWater pump seals and gaskets for the applicable assembly\u003c\/li\u003e\n  \u003cli\u003eWater pump mounting hardware for the applicable assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery, place the outboard in neutral, and follow the engine manufacturer’s service procedures.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit while supporting it securely and noting the shift-shaft linkage position.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water pump housing and inspect the driveshaft, pump base, keyway, and surrounding surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces and remove old gasket material without damaging the sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eInstall the new pump components, including the impeller key, impeller, wear plate, seals, and housing, in the correct order for your engine.\u003c\/li\u003e\n  \u003cli\u003eOrient the impeller vanes according to the direction of rotation and apply only the lubricant recommended by the service manual.\u003c\/li\u003e\n  \u003cli\u003eInstall the supplied hardware and tighten fasteners to the engine manufacturer’s specified torque.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, ensuring correct driveshaft engagement, shift-shaft alignment, and water-tube connection.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate test tank or with a suitable flushing device. Confirm a steady tell-tale stream and check for leaks or overheating.\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 water pump needs service?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include overheating, a weak or intermittent tell-tale stream, reduced cooling-water flow, or a damaged, brittle, or deformed impeller. A worn housing, scored plate, damaged seals, or a blocked water passage can produce similar symptoms.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this kit include the water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eYes. The company record identifies this product as a water pump service kit with housing. The housing is included with the service components supplied for the applicable assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Yamaha part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket replacement kit. Yamaha names and part numbers are shown only as application and reference information.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this kit for any Yamaha 9.9 or 15 HP outboard?\u003c\/summary\u003e\n  \u003cp\u003eNo. Horsepower alone does not confirm fitment. The company-listed scope covers selected 2-stroke 9.9 HP and 15 HP engines from 1996–2023 and selected 4-stroke F9.9-2, T9.9-2, and F15 models. Verify the complete model designation, stroke type, year, and original pump assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the water pump be serviced?\u003c\/summary\u003e\n  \u003cp\u003eService intervals depend on operating conditions and the engine manufacturer’s maintenance schedule. Inspect the impeller and pump components regularly, and service them sooner if the engine has been run in sand, mud, salt water, or contaminated water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if the supplied parts do not match my original assembly?\u003c\/summary\u003e\n  \u003cp\u003eDo not force the parts into place or operate the engine. Stop installation and compare the complete engine model, year, stroke, original part numbers, housing shape, and mounting pattern before proceeding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify fitment using the complete engine model and year before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard without an adequate water supply for cooling.\u003c\/li\u003e\n  \u003cli\u003eUse the service manual for torque values, sealant requirements, shift linkage adjustment, and final testing.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation by a qualified marine technician is recommended.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement product and is not manufactured or supplied by Yamaha.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply practical aftermarket components for routine service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around engine model, stroke, year, and component fitment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Installation\u003c\/strong\u003e — Always compare the original assembly and consult the engine service information before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723981066555,"sku":"23KY076","price":35.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_6_to_15_hp_63V-44301-00_-_JLM_MARINE-8288887.jpg?v=1763039248"},{"product_id":"carburetor-fits-yamaha-9-9-15hp-two-stroke-four-stroke-replaces-63v-14301-00","title":"Carburetor for Yamaha 9.9\/15 HP Two-Stroke Outboards, 1996–2003 – Replaces 63V-14301-00","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is an aftermarket replacement \u003cstrong\u003ecarburetor for Yamaha 9.9 HP and 15 HP two-stroke outboard engines from 1996 through 2003\u003c\/strong\u003e. It is intended for applications that use one of the listed Yamaha reference numbers and is supplied as a single carburetor assembly.\u003c\/p\u003e\n\u003cp\u003eThe assembly is listed as a replacement for Yamaha reference numbers \u003cstrong\u003e63V-14301-10-00\u003c\/strong\u003e, \u003cstrong\u003e63V-14301-00\u003c\/strong\u003e, and \u003cstrong\u003e63V-14301-01-00\u003c\/strong\u003e. It is also cross-referenced to aftermarket number \u003cstrong\u003e18-34603\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement carburetor assembly for selected Yamaha two-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eApplication range: Yamaha 9.9 HP and 15 HP two-stroke models, model years 1996–2003.\u003c\/li\u003e\n  \u003cli\u003eSingle replacement component; this is not a kit.\u003c\/li\u003e\n  \u003cli\u003eAftermarket part, not a Yamaha-branded OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following reference numbers to compare your original carburetor before ordering. Part-number matching alone does not replace verification of the engine model and year.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference Type\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e63V-14301-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003ctd\u003e18-34603\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company fitment record identifies this carburetor for the following application range:\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha Two-Stroke Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated Horsepower\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eModel Years\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n        \u003ctd\u003e9.9 HP\u003c\/td\u003e\n        \u003ctd\u003eTwo-stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2003\u003c\/td\u003e\n        \u003ctd\u003eSelected models using the listed reference numbers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n        \u003ctd\u003e15 HP\u003c\/td\u003e\n        \u003ctd\u003eTwo-stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2003\u003c\/td\u003e\n        \u003ctd\u003eSelected models using the listed reference numbers\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is not identified for Yamaha four-stroke engines. Confirm the exact engine model, model year, original carburetor and reference number before purchase. Do not rely on horsepower alone.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eCarburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 9.9 HP and 15 HP two-stroke outboard engines\u003c\/dd\u003e\n  \u003cdt\u003eModel Years\u003c\/dt\u003e\n  \u003cdd\u003e1996–2003\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation; verify mounting and linkage details against the original part\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle carburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eReference Numbers\u003c\/dt\u003e\n  \u003cdd\u003e63V-14301-10-00, 63V-14301-00, 63V-14301-01-00, and 18-34603\u003c\/dd\u003e\n  \u003cdt\u003eProduct Classification\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement part\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMounting gaskets, fuel filters and other service components are not included unless specifically shown or stated in the order details. A separate fuel filter assembly may be required for the engine service.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, model year, original carburetor configuration and reference number before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eShut off the fuel supply, disconnect the battery where applicable, and allow the engine to cool completely.\u003c\/li\u003e\n  \u003cli\u003eRemove the engine cowling and document the routing of the fuel line, throttle linkage and choke components.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel line and control linkages, then remove the original carburetor from the intake assembly.\u003c\/li\u003e\n  \u003cli\u003eInspect the mounting surface and replace worn or damaged gaskets before installing the replacement carburetor.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement assembly and tighten the fasteners evenly according to the engine manufacturer's service procedures.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel line and all control linkages. Confirm that the throttle and choke move freely through their full range.\u003c\/li\u003e\n  \u003cli\u003eRestore the fuel supply and inspect all connections for leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eStart the engine in a safe, well-ventilated area and check idle, acceleration, fuel delivery and leakage.\u003c\/li\u003e\n  \u003cli\u003eIf adjustment or synchronization is required, follow the applicable Yamaha service procedure or use a qualified marine technician.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this carburetor fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm all of the following: Yamaha brand, 9.9 HP or 15 HP rating, two-stroke engine configuration, model year from 1996 through 2003, and a matching original reference number such as 63V-14301-10-00, 63V-14301-00 or 63V-14301-01-00. Also compare the mounting points, linkage arrangement and images of the original component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this carburetor fit Yamaha four-stroke engines?\u003c\/summary\u003e\n  \u003cp\u003eNo four-stroke application is identified for this product. The stated application is limited to selected Yamaha 9.9 HP and 15 HP two-stroke outboards from model years 1996–2003.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This product is a single carburetor assembly, not a multi-part kit. Fuel filters, mounting gaskets and other service parts are not included unless specifically listed with the order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a gasket included?\u003c\/summary\u003e\n  \u003cp\u003eA mounting gasket is not included in the stated package contents. Use a new gasket where required by the engine manufacturer's service procedure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Yamaha part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket replacement carburetor. The Yamaha numbers shown are reference numbers used to help verify application and interchange.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs that a carburetor needs service?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms can include difficult starting, unstable idle, stalling, hesitation during acceleration, poor running under load, fuel leakage or an incorrect fuel mixture. These symptoms can also result from fuel-system, ignition or compression problems, so diagnose the engine before replacing parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install this carburetor without adjustment?\u003c\/summary\u003e\n  \u003cp\u003eInstallation and adjustment requirements vary by engine condition and application. After installation, inspect for leaks and verify idle and throttle operation. Follow the applicable service procedure and have adjustments performed by a qualified marine technician when necessary.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the exact engine model, model year, stroke type and original reference number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not use the former four-stroke compatibility claim for this product; the documented application is two-stroke only.\u003c\/li\u003e\n  \u003cli\u003eFuel is flammable. Work in a well-ventilated area away from ignition sources and clean up spills immediately.\u003c\/li\u003e\n  \u003cli\u003eInspect all fuel connections for leaks before operating the engine.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are unfamiliar with outboard fuel systems or carburetor adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Replacement components for selected outboard service applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Verify engine details and reference numbers before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical Support\u003c\/strong\u003e — Use the documented fitment and package information to select the correct replacement part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723981099323,"sku":"17CA63V","price":85.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Carburetor_for_Yamaha_99_15_HP_63V-14301-00_-_JLM_MARINE-8285767.jpg?v=1763039249"},{"product_id":"thermostat-fits-johnson-evinrude-6-250-hp-v4-v6-replaces-johnson-evinrude-5005440-434841","title":"143°F Marine Outboard Thermostat – Fits Mercury Mariner 135–200 HP EFI and Select Johnson\/Evinrude Models","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\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis replacement \u003cstrong\u003e143°F (62°C) marine thermostat\u003c\/strong\u003e is a single thermostat for selected Mercury\/Mariner and Johnson\/Evinrude outboard applications. The company fitment data identifies Mercury\/Mariner 135–200 HP EFI applications and additional Johnson\/Evinrude applications including 40–250 HP E-TEC, 6–55 HP, crossflow V4 and V6 models, and 9.9 HP and 15 HP four-stroke models from 1994–2001.\u003c\/p\u003e\n  \u003cp\u003eFor Mercury\/Mariner applications, the company records also list selected models and serial ranges from 7.5 HP through V300\/3.4L, including 7.5 HP serial 5226935 and up, 9.8 HP serial 5206550 and up, 40 HP serial 3336258–C159199, 50\/60 HP serial D000750 and up, 65 HP serial 3547987–4571651, 70 HP serial 4571652–4825248, 70\/75\/80\/90 HP serial A996142 and up, 100\/115 HP serial B209468 and up, V135\/V150 serial A904646 and up, V175 serial C100861 and up, V200 serial 6435503 and up, V220 serial B117316 and up, V225 serial 5628028 and up, V300\/3.4L serial 5611648 and up, and XR4 and Magnum II serial C239553–D081999. Confirm your exact model, serial number, and thermostat reference before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eSingle aftermarket thermostat for selected marine outboard cooling systems.\u003c\/li\u003e\n    \u003cli\u003e143°F (62°C) operating temperature rating.\u003c\/li\u003e\n    \u003cli\u003eDesigned as a direct replacement when the listed reference and fitment conditions match.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement; not an OEM-branded component.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse the following references to compare your existing thermostat. A reference-number match should be confirmed against the complete engine model and serial-number conditions.\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 or source\u003c\/th\u003e\n\u003cth\u003eReference numbers\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e62981 \/ 66850 \/ 75692 \/ 75692B2 \/ 75692Q2 \/ 75692T\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n\u003ctd\u003e377148 \/ 378065 \/ 393659 \/ 434841 \/ 437414 \/ 5005440 \/ 508626\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3543 \/ 18-3553\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e13010\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOther listed aftermarket reference\u003c\/td\u003e\n\u003ctd\u003e9-43019 \/ 9-43101\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eCompatibility is application-specific. Keep horsepower, engine family, stroke type, model, and serial-number conditions together when checking fitment.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke or engine type\u003c\/th\u003e\n\u003cth\u003eYear or serial condition\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eEFI outboard applications\u003c\/td\u003e\n\u003ctd\u003e135–200\u003c\/td\u003e\n\u003ctd\u003eVerify engine type\u003c\/td\u003e\n\u003ctd\u003eVerify model and serial number\u003c\/td\u003e\n\u003ctd\u003e62981, 66850, 75692 family\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSelected small and mid-range applications\u003c\/td\u003e\n\u003ctd\u003e7.5–115\u003c\/td\u003e\n\u003ctd\u003eVerify engine type\u003c\/td\u003e\n\u003ctd\u003eSpecific serial ranges listed by the manufacturer; confirm before purchase\u003c\/td\u003e\n\u003ctd\u003e75692 family\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eV135, V150, V175, V200, V220, V225, V300\/3.4L\u003c\/td\u003e\n\u003ctd\u003e135–300\u003c\/td\u003e\n\u003ctd\u003eV-engine applications\u003c\/td\u003e\n\u003ctd\u003eSpecific model and serial ranges listed by the manufacturer; confirm before purchase\u003c\/td\u003e\n\u003ctd\u003e75692 family \/ Sierra 18-3553\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eE-TEC applications\u003c\/td\u003e\n\u003ctd\u003e40–250\u003c\/td\u003e\n\u003ctd\u003e2-stroke E-TEC\u003c\/td\u003e\n\u003ctd\u003eVerify model and year\u003c\/td\u003e\n\u003ctd\u003e393659, 434841, 378065, 508626, 5005440\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious outboard applications\u003c\/td\u003e\n\u003ctd\u003e6–55\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003eVerify model and year\u003c\/td\u003e\n\u003ctd\u003eListed Johnson\/Evinrude references\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e9.9 HP and 15 HP applications\u003c\/td\u003e\n\u003ctd\u003e9.9 \/ 15\u003c\/td\u003e\n\u003ctd\u003e4-stroke\u003c\/td\u003e\n\u003ctd\u003e1994–2001\u003c\/td\u003e\n\u003ctd\u003eListed Johnson\/Evinrude references\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eCrossflow V4 and V6 applications\u003c\/td\u003e\n\u003ctd\u003eVerify engine rating\u003c\/td\u003e\n\u003ctd\u003e2-stroke V4\/V6\u003c\/td\u003e\n\u003ctd\u003eVerify model and year\u003c\/td\u003e\n\u003ctd\u003eListed Johnson\/Evinrude references\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eMarine outboard thermostat\u003c\/dd\u003e\n    \u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n    \u003cdd\u003e143°F (62°C)\u003c\/dd\u003e\n    \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n    \u003cdd\u003eSingle thermostat; not a seals or gasket kit\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eDirect replacement when the reference number and complete fitment conditions match\u003c\/dd\u003e\n    \u003cdt\u003eBrand Status\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket replacement, not OEM-branded\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x 143°F (62°C) thermostat\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eGaskets, seals, carriers, poppets, washers, and other service parts are not included unless specifically stated in the package contents.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eSwitch off the engine, allow it to cool completely, and follow the service manual’s safety procedure.\u003c\/li\u003e\n    \u003cli\u003eConfirm the thermostat reference, engine model, horsepower, stroke type, and serial number before removing the original part.\u003c\/li\u003e\n    \u003cli\u003eLocate the thermostat housing and place a suitable drain pan beneath the work area if water may drain during service.\u003c\/li\u003e\n    \u003cli\u003eRemove the housing cover and note the orientation of the original thermostat.\u003c\/li\u003e\n    \u003cli\u003eClean the mating surfaces carefully and remove old gasket material without damaging the housing.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement thermostat in the correct orientation. Use a new gasket or seal if required by the engine service manual; none is included with this single thermostat.\u003c\/li\u003e\n    \u003cli\u003eReinstall the housing cover and tighten fasteners evenly to the manufacturer’s specified torque.\u003c\/li\u003e\n    \u003cli\u003eRun the engine according to the service manual and check for water leakage and proper cooling-system operation.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if an outboard thermostat may be failing?\u003c\/summary\u003e\n    \u003cp\u003ePossible symptoms include overheating, an engine that runs unusually cool, poor temperature stability, restricted cooling-water flow, or a thermostat that is visibly corroded or stuck open or closed. Diagnose the complete cooling system before replacing the thermostat.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is the 143°F rating important?\u003c\/summary\u003e\n    \u003cp\u003eThe thermostat controls the engine’s operating temperature within the range specified for the application. Use the temperature rating required by your exact engine; do not substitute a different rating solely because the part looks similar.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan this thermostat be used in saltwater?\u003c\/summary\u003e\n    \u003cp\u003eIt is intended for the listed marine outboard applications. Saltwater use increases corrosion risk, so follow the engine manufacturer’s flushing and cooling-system maintenance recommendations.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs a new gasket required?\u003c\/summary\u003e\n    \u003cp\u003eA new gasket or seal is commonly recommended when servicing a thermostat housing, but this listing contains the thermostat only. Select the gasket specified for your exact engine separately if required.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM thermostat?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is an aftermarket replacement intended to match the listed manufacturer references and fitment conditions. Mercury, Mariner, Johnson, Evinrude, OMC, Sierra, and GLM references are used for identification and cross-reference purposes only.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow should I verify fitment?\u003c\/summary\u003e\n    \u003cp\u003eCompare the complete reference number and thermostat temperature rating, then verify the engine brand, model, horsepower, stroke or engine type, year where applicable, and serial-number range. If any of these details differ, consult the engine service manual before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping speed and cost\u003c\/summary\u003e\n    \u003cp\u003eAvailable shipping methods, delivery estimates, and shipping charges are shown at checkout and may vary by destination.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty and returns\u003c\/summary\u003e\n    \u003cp\u003eWarranty coverage and return eligibility are governed by the current store policies. Contact customer support with your order details if the part arrives damaged or appears to be incorrect.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the complete application and reference number before purchase; horsepower alone does not confirm compatibility.\u003c\/li\u003e\n    \u003cli\u003eDo not rely on a general model range when the engine has a specific serial-number condition.\u003c\/li\u003e\n    \u003cli\u003eAllow the engine to cool before opening the thermostat housing.\u003c\/li\u003e\n    \u003cli\u003eUse the manufacturer’s service manual for torque values, gasket requirements, orientation, and cooling-system testing.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct procedure or fitment is uncertain.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket marine components selected for listed applications and service needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Confirm model, reference, and serial conditions before ordering.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact us with your engine details and existing part reference when you need help checking fitment.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723981132091,"sku":"20TH005","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Outboard_Thermostat_for_Johnson_Evinrude_6-250_HP_V4_V6_Outboard_Motors_______5005440_-_JLM_MARINE-8286946.jpg?v=1763039251"},{"product_id":"carburetor-repair-kit-fits-yamaha-mercury-8-15hp-4-stroke-replaces-66m-w0093-01-00-802706a1","title":"Carburetor Repair Kit for Yamaha F9.9\/F15 and Mercury 8–15 HP 4-Stroke Outboards – Replaces 66M-W0093-01-00, 802706A1","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket carburetor repair kit is designed for selected Yamaha and Mercury 4-stroke outboard carburetors. It replaces Yamaha \u003cstrong\u003e66M-W0093-01-00\u003c\/strong\u003e and the superseded \u003cstrong\u003e66M-W0093-00-00\u003c\/strong\u003e, and is also listed for Mercury \u003cstrong\u003e802706A1\u003c\/strong\u003e. The same application is commonly cross-referenced to Sierra \u003cstrong\u003e18-7738\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUse the exact engine model, year, and serial-number conditions below when checking compatibility. Horsepower and brand alone are not sufficient to confirm fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement components for servicing the carburetor and restoring reliable fuel-system operation.\u003c\/li\u003e\n  \u003cli\u003eIncludes gaskets, seals, float components, needle valve, adjusting screw, screws, and related service parts listed below.\u003c\/li\u003e\n  \u003cli\u003eFor gasoline-fueled 4-stroke marine outboards using the specified carburetor application.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement; not manufactured by Yamaha, Mercury Marine, or Sierra.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese are manufacturer and aftermarket reference numbers associated with this carburetor repair-kit application.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-01-00\u003c\/td\u003e\n\u003ctd\u003ePrimary Yamaha reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eSuperseded Yamaha reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003ctd\u003eMercury carburetor repair-kit reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7738\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\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\u003eThe fitment records below keep the model, year, horsepower, stroke, and serial-number conditions together. Always compare the original carburetor reference and the engine identification label before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Yamaha Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel examples\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear or serial condition\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHW, F15ESHW, F15MLHW, F15MSHW\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHX, F15ESHX, F15MLHX, F15MSHX\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHY, F15ESHY, F15MLHY, F15MSHY\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHZ, F15ESHZ, F15MLHZ, F15MSHZ, F15PLHZ, F15PLRZ\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHA, F15ESHA, F15MLHA, F15MSHA, F15PLHA, F15PLRA\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHB, F15ESHB, F15MLHB, F15MSHB, F15PLHB, F15PLRB\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHC, F15ESHC, F15MLHC, F15MSHC, F15PLHC, F15PLRC\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15ELHD, F15ESHD\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2005\u003c\/td\u003e\n\u003ctd\u003e66M-W0093-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF9.9 and T9.9 applications listed for reference 18-7738\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eApplication-specific; verify model and year\u003c\/td\u003e\n\u003ctd\u003e18-7738\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eEngine application\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eSerial-number condition\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8 4-Stroke, Bodensee International\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0P086824 through 0P400999\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e9.9 4-Stroke, 323 cc\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0G760300 through 1B226999\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e9.9 4-Stroke, 323 cc\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0P075166 through 0P400999\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e9973100 through 0P016999\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0G590000 through 0G760299\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0G760300 through 1B226999\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1B227000 through 1B727495\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0P401000 and later\u003c\/td\u003e\n\u003ctd\u003e802706A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eModels and serial ranges are application-specific. If your engine identification or carburetor reference does not match, do not assume compatibility from horsepower alone.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct type\u003c\/dt\u003e\n\u003cdd\u003eAftermarket carburetor repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Yamaha and Mercury gasoline outboard carburetors\u003c\/dd\u003e\n  \u003cdt\u003eStroke\u003c\/dt\u003e\n\u003cdd\u003e4-stroke applications listed above\u003c\/dd\u003e\n  \u003cdt\u003eReference numbers\u003c\/dt\u003e\n\u003cdd\u003eYamaha 66M-W0093-01-00 and 66M-W0093-00-00; Mercury 802706A1; Sierra 18-7738\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eCarburetor disassembly and reassembly required\u003c\/dd\u003e\n  \u003cdt\u003eFuel system\u003c\/dt\u003e\n\u003cdd\u003eGasoline marine applications\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Gasket, 66M-14398-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket, 6L2-14398-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Stopper, 66M-14377-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Float-chamber gasket, 66M-14384-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Float, 6L2-14385-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Float pin, 6E5-14386-01-00\u003c\/li\u003e\n  \u003cli\u003e1 x Needle valve, 6L2-14392-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket, 62Y-14399-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Air-adjusting screw, 5H0-14323-00-00\u003c\/li\u003e\n  \u003cli\u003e4 x Screws with washers, 97980-04112-00\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring, 62Y-14397-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring, 6F5-14397-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring, 5H0-14397-00-00\u003c\/li\u003e\n  \u003cli\u003e1 x Filter, 66M-14827-00-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponent shapes and quantities should be compared with the parts removed from the specific carburetor before installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut off the fuel supply, disconnect the battery if required by the service procedure, and disconnect the fuel line.\u003c\/li\u003e\n  \u003cli\u003eRemove the carburetor while recording the locations of linkages, hoses, and brackets.\u003c\/li\u003e\n  \u003cli\u003eDisassemble the carburetor on a clean workbench and keep small parts organized.\u003c\/li\u003e\n  \u003cli\u003eRemove the old gaskets, float, needle valve, O-rings, filter, and other replaceable components.\u003c\/li\u003e\n  \u003cli\u003eClean the carburetor body, passages, and jets with a suitable carburetor cleaner. Do not force wire through calibrated passages.\u003c\/li\u003e\n  \u003cli\u003eCompare each replacement component with the removed part before fitting it.\u003c\/li\u003e\n  \u003cli\u003eInstall the new components in the reverse order of removal and use the manufacturer's service procedure for tightening specifications.\u003c\/li\u003e\n  \u003cli\u003eSet the float to the specification for the exact engine and carburetor model.\u003c\/li\u003e\n  \u003cli\u003eReinstall the carburetor, reconnect the fuel line and linkages, and check that the throttle operates freely.\u003c\/li\u003e\n  \u003cli\u003eRestore the fuel supply, inspect carefully for leaks, and test the engine in accordance with the service manual.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\u003cp\u003eMatch the original carburetor reference first, then confirm the engine brand, model, horsepower, stroke, year, and serial-number range. The 66M-W0093 references and Mercury 802706A1 applications are not universal across every 4-stroke outboard.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat symptoms may indicate a carburetor rebuild is needed?\u003c\/summary\u003e\u003cp\u003eHard starting, rough idle, stalling, poor acceleration, fuel leakage, flooding, or abnormal exhaust smoke may indicate contamination or worn carburetor components. Diagnose the fuel system before replacing parts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the float need to be adjusted?\u003c\/summary\u003e\u003cp\u003eYes. Correct float setting is important for fuel level and mixture control. Use the service specification for the exact engine rather than a generic measurement.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan old gaskets or O-rings be reused?\u003c\/summary\u003e\u003cp\u003eReuse is not recommended. Gaskets and O-rings can be compressed, brittle, damaged during removal, or unable to seal after disassembly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy are several gaskets and O-rings included?\u003c\/summary\u003e\u003cp\u003eDifferent carburetor passages and configurations use different seals. Match each new component to the original location and the service-manual diagram for your engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit. The listed Yamaha, Mercury Marine, and Sierra numbers are manufacturer or aftermarket reference numbers used for application identification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould installation be performed by a professional?\u003c\/summary\u003e\u003cp\u003eCarburetor servicing involves gasoline and small calibrated components. Professional installation is recommended, especially when float adjustment, linkage synchronization, or leak diagnosis is required.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork in a well-ventilated area away from flames, sparks, and ignition sources.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel pressure where applicable and prevent fuel from contacting hot engine surfaces.\u003c\/li\u003e\n  \u003cli\u003eVerify the original part number, engine model, year, and serial number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not install the kit if the supplied components do not match the carburetor being serviced.\u003c\/li\u003e\n  \u003cli\u003eFollow the engine manufacturer's service instructions for float height, adjustments, tightening, and testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine replacement parts selected for practical service and repair applications.\u003c\/li\u003e\n  \u003cli\u003eApplication-focused product information to help match parts before installation.\u003c\/li\u003e\n  \u003cli\u003eAftermarket value for routine marine maintenance and carburetor service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723984343355,"sku":"17CR005","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17CR005-1.jpg?v=1763039408"},{"product_id":"timing-belt-fits-tohatsu-mercury-yamaha-9-9-20-hp-replaces-3h8-10061-0-57-835392q-66m-46241-00-00","title":"Timing Belt for Yamaha F9.9\/F15, Mercury\/Mariner 9.9\/15, Tohatsu 9.9–20 HP and Evinrude\/Johnson 15 HP 4-Stroke Outboards","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eengine timing belt\u003c\/strong\u003e is a direct replacement for selected 4-stroke marine outboards. It is sold as one belt and is intended to maintain correct camshaft-to-crankshaft timing during engine operation.\u003c\/p\u003e\n\u003cp\u003eCompany fitment records identify this belt for selected Yamaha F9.9 and F15 models, Mercury and Mariner 9.9 HP and 15 HP 4-stroke models within the listed serial-number ranges, Tohatsu 9.9–20 HP 4-stroke outboards, and Evinrude\/Johnson\/OMC\/BRP 15 HP 4-stroke applications. Confirm the complete model and serial-number conditions before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Replacement engine timing belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Selected 4-stroke outboard engines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintenance guidance:\u003c\/strong\u003e The company catalog recommends replacement at 5 years or 100 hours of use, subject to the engine manufacturer's service instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eUse the manufacturer reference for your specific engine when confirming compatibility. Reference numbers are listed by application and should not be treated as universal fitment across every engine model.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eManufacturer Reference\u003c\/th\u003e\n\u003cth\u003eAftermarket Reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd\u003e66M-46241-00\u003c\/td\u003e\n\u003ctd\u003e18-15137\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e835392Q; 57-835392Q; 57835392Q; 895120002; 57-895120002\u003c\/td\u003e\n\u003ctd\u003e18-15147\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3H8-10061-0; 3H8100610M\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC \/ BRP\u003c\/td\u003e\n\u003ctd\u003e5041079\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\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the brand, model, production period, and—especially for Mercury and Mariner engines—the serial-number range. Match all available information before installation.\u003c\/p\u003e\n\n\u003ch3\u003eYamaha 4-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha Compatibility\"\u003e\n    \u003cthead\u003e\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\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF9.9\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2005–2006\u003c\/td\u003e\n\u003ctd\u003e66M-46241-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998–2005\u003c\/td\u003e\n\u003ctd\u003e66M-46241-00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eMercury and Mariner 4-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eSerial Number Range\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0G760300–1B226999\u003c\/td\u003e\n\u003ctd\u003e57-835392Q\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0G760300–1B226999\u003c\/td\u003e\n\u003ctd\u003e57-835392Q\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1B227000–1B727495\u003c\/td\u003e\n\u003ctd\u003e57-835392Q\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eFor Mercury and Mariner applications, the serial-number range is part of the fitment specification. Do not rely on horsepower alone.\u003c\/p\u003e\n\n\u003ch3\u003eTohatsu 4-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Tohatsu Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eModel or Application\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected 9.9 HP outboards\u003c\/td\u003e\n\u003ctd\u003e3H8-10061-0; 3H8100610M\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected 15 HP outboards\u003c\/td\u003e\n\u003ctd\u003e3H8-10061-0; 3H8100610M\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected 18 HP outboards\u003c\/td\u003e\n\u003ctd\u003e3H8-10061-0; 3H8100610M\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected 20 HP outboards\u003c\/td\u003e\n\u003ctd\u003e3H8-10061-0; 3H8100610M\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEvinrude, Johnson, OMC and BRP 4-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Evinrude and Johnson Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC \/ BRP\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected 15 HP outboards\u003c\/td\u003e\n\u003ctd\u003e5041079\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eEngine timing belt\u003c\/dd\u003e\n  \u003cdt\u003ePart Configuration\u003c\/dt\u003e\n\u003cdd\u003eSingle replacement belt; not a complete timing-belt service kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected 4-stroke gasoline outboard engines\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement when the application and reference number match\u003c\/dd\u003e\n  \u003cdt\u003eIncluded Components\u003c\/dt\u003e\n\u003cdd\u003eOne timing belt\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Engine timing belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTensioners, pulleys, seals, keys, covers, and other engine components are not included.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn off the engine, disconnect the battery where applicable, and allow the engine to cool before service.\u003c\/li\u003e\n  \u003cli\u003eRemove the cowling and timing-belt covers according to the engine manufacturer's service procedure.\u003c\/li\u003e\n  \u003cli\u003eSet the crankshaft and camshaft to the manufacturer's specified timing positions before removing the old belt.\u003c\/li\u003e\n  \u003cli\u003eInspect the pulleys, tensioner, seals, and surrounding components for wear, contamination, or damage.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement belt without forcing, twisting, or contaminating it with oil or fuel.\u003c\/li\u003e\n  \u003cli\u003eSet belt tension and verify all timing marks using the correct service manual.\u003c\/li\u003e\n  \u003cli\u003eRotate the engine by hand as specified by the manufacturer and recheck timing before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eReinstall the covers and all removed components, then test the engine for correct operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eTiming-belt installation requires accurate timing alignment. Professional installation is recommended if the required tools or service information are not available.\u003c\/p\u003e\n\n\u003ch2\u003eMaintenance and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this belt fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eMatch the engine brand, model, horsepower, stroke, production year where listed, and Mercury or Mariner serial-number range against the compatibility tables. Also compare the manufacturer reference on the existing belt or in the engine parts manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhen should the timing belt be replaced?\u003c\/summary\u003e\n  \u003cp\u003eThe company catalog recommends a 5-year or 100-hour maintenance interval. Always follow the engine manufacturer's service manual if it specifies a different interval or inspection procedure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are signs that a timing belt may need replacement?\u003c\/summary\u003e\n  \u003cp\u003eCracking, fraying, missing or damaged teeth, oil contamination, abnormal slack, or visible wear are reasons to stop using the belt and inspect the complete timing system. An engine that runs poorly or will not start may have timing-system problems, but diagnosis should be performed before replacing parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete timing-belt kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one timing belt only. Tensioners, pulleys, seals, keys, and other components are not included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM belt?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement belt. The manufacturer references shown above are provided for application identification and cross-reference purposes.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine identification and reference number before ordering.\u003c\/li\u003e\n  \u003cli\u003eMercury and Mariner compatibility is serial-number dependent; horsepower alone is not sufficient.\u003c\/li\u003e\n  \u003cli\u003eDo not install a belt that is damaged, contaminated, or visibly different from the required part.\u003c\/li\u003e\n  \u003cli\u003eIncorrect timing-belt installation can cause serious engine damage. Use the manufacturer's service manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Parts selected for common outboard maintenance and repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Compatibility information is organized by engine brand, model, horsepower, stroke, year, and serial range where available.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintenance Support\u003c\/strong\u003e — Clear product information helps you confirm the correct replacement before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723984376123,"sku":"23BL223","price":46.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23BL223_1.jpg?v=1763039410"},{"product_id":"water-pump-impeller-kit-fits-yamaha-9-9-15-hp-outboard-replaces-682-w0078-a1-00","title":"Water Pump Impeller Repair Kit for Yamaha 9.9\/15 HP Outboards – Replaces 682-W0078-A1-00","description":"\u003csection\u003e\n\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 aftermarket water pump impeller repair kit is intended for selected Yamaha 9.9 HP and 15 HP outboard applications using the Yamaha reference \u003cstrong\u003e682-W0078-A1-00\u003c\/strong\u003e. Cataloged applications include specific Yamaha 9.9 and 15 HP models, including selected 1984–1985 2-stroke models and selected T9.9 applications. Always verify the complete model code, year, stroke, and serial-number range before ordering.\u003c\/p\u003e\n\u003cp\u003eThe part reference is associated with Yamaha water-pump repair-kit applications. It is an aftermarket replacement and is not manufactured by Yamaha. The kit is supplied for water-pump service; it does not include a complete lower unit or an assembled water-pump system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement water-pump service component for compatible Yamaha outboards.\u003c\/li\u003e\n\u003cli\u003eDesigned to restore water-pump impeller service during routine cooling-system maintenance.\u003c\/li\u003e\n\u003cli\u003eUse the exact engine model and year to confirm fitment; horsepower alone is not sufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following manufacturer reference is used to identify the compatible water-pump repair-kit application.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference Number\u003c\/th\u003e\n\u003cth\u003eReference Type\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\u003e682-W0078-A1-00\u003c\/td\u003e\n        \u003ctd\u003eManufacturer reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e682-W0078-01-00\u003c\/td\u003e\n        \u003ctd\u003eRelated water-pump repair-kit reference; verify against the engine model\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\u003eFitment depends on the complete model designation and production year. The catalog evidence identifies the following application families for this reference. This is not a universal fit for every Yamaha 9.9 or 15 HP outboard.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eDocumented Year or Range\u003c\/th\u003e\n        \u003cth\u003eReference\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\u003e15ELN, 15ESK, 15ESN, 15LK, 15LN, 15SK, 15SN\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984–1985 catalog applications\u003c\/td\u003e\n        \u003ctd\u003e682-W0078-01-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e9.9ELK, 9.9ELN, 9.9ESK, 9.9ESN, 9.9LK, 9.9LN, 9.9SK, 9.9SN\u003c\/td\u003e\n        \u003ctd\u003e9.9\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984 catalog applications\u003c\/td\u003e\n        \u003ctd\u003e682-W0078-01-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eT9.9ELHU, T9.9ELRU, T9.9EXHU, T9.9MLHU, T9.9MXHU\u003c\/td\u003e\n        \u003ctd\u003e9.9\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996\u003c\/td\u003e\n        \u003ctd\u003e682-W0078-A1-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eAdditional related references appear in parts databases for later 9.9 HP applications, including some 4-stroke and 2-stroke models. Because those records distinguish between different suffixes and component relationships, do not assume this A1 application fits an A2- or A3-designated engine without matching the original part number and model information.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket water pump impeller repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha 9.9 HP and 15 HP outboard water-pump systems\u003c\/dd\u003e\n  \u003cdt\u003eManufacturer Reference\u003c\/dt\u003e\n  \u003cdd\u003e682-W0078-A1-00\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement service part; installation requires access to the water-pump assembly\u003c\/dd\u003e\n  \u003cdt\u003eHousing Included\u003c\/dt\u003e\n  \u003cdd\u003eNot confirmed as included; verify the package contents before ordering\u003c\/dd\u003e\n  \u003cdt\u003eOEM Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement, not a genuine Yamaha part\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 impeller repair component(s) for the listed application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage contents such as the impeller key, gaskets, wear plate, cup, seals, bolts, or pump housing are not individually confirmed for this listing. Do not assume that a complete water-pump housing or every service component is included.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, year, stroke, and original water-pump reference before beginning service.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery where applicable, remove the lanyard, and follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the service-manual procedure for the specific outboard.\u003c\/li\u003e\n  \u003cli\u003eRemove the water-pump cover and inspect the impeller, key, cup, wear plate, seals, and housing for damage or debris.\u003c\/li\u003e\n  \u003cli\u003eReplace damaged related components as required. Install the impeller with the correct key and vane orientation for the engine.\u003c\/li\u003e\n  \u003cli\u003eReassemble the water-pump cover and lower unit, ensuring that the water tube and driveshaft are correctly aligned.\u003c\/li\u003e\n  \u003cli\u003eTest the engine in an appropriate water supply and confirm a steady cooling-water tell-tale stream before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm this part fits my engine?\u003c\/summary\u003e\u003cp\u003eCompare the complete model code, production year, stroke type, and original water-pump reference with the compatibility information above. Yamaha 9.9 and 15 HP engines use more than one impeller and repair-kit design, so horsepower alone is not enough.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this fit all Yamaha 9.9 and 15 HP outboards?\u003c\/summary\u003e\u003cp\u003eNo. It is intended for selected applications associated with the 682-W0078-A1-00 or related 682-W0078-01-00 reference. Check the exact model and year before purchasing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a genuine Yamaha part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement intended to match the listed water-pump service application.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the package include the pump housing?\u003c\/summary\u003e\u003cp\u003eA complete pump housing is not confirmed as included. Review the package contents and compare the required service parts with the components in your existing water-pump assembly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the symptoms of a worn impeller?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a weak or missing tell-tale stream, overheating warnings, elevated operating temperature, steam, or reduced cooling-water flow. Stop the engine if overheating occurs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should an outboard impeller be inspected?\u003c\/summary\u003e\u003cp\u003eInspect the impeller according to the engine manufacturer's maintenance schedule. More frequent service may be needed after operation in saltwater, sand, silt, or debris.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model and original part reference before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard with a weak or absent cooling-water stream.\u003c\/li\u003e\n  \u003cli\u003eUse a service manual or qualified marine technician for lower-unit and water-pump service.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement and is not affiliated with or endorsed by Yamaha.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical aftermarket components for routine boat and outboard maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around model and part-number verification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Maintenance Work\u003c\/strong\u003e — Confirm fitment and required service components before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723985948987,"sku":"SIE-22KY001","price":38.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SIE-22KY001_1_ff77d391-fb75-4b00-83a9-c8e618ea33e9.jpg?v=1763039464"},{"product_id":"water-pump-impeller-fits-yamaha-9-9-15-hp-outboards-replaces-63v-44352-01-00-6e5-44352-01-00","title":"Water Pump Impeller for Yamaha 2-Stroke and 4-Stroke Outboards – Replaces 6E5-44352-00-00 and 6E5-44352-01-00","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for selected Yamaha 2-stroke and 4-stroke outboards. Installed in the lower-unit water pump, the impeller circulates cooling water through the engine to help maintain proper operating temperature.\u003c\/p\u003e\n\u003cp\u003eThe company fitment records identify this impeller for the Yamaha models listed below. Always compare the model designation and the part number on your original impeller before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Replacement water pump impeller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Yamaha outboard lower-unit water pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupplied quantity:\u003c\/strong\u003e 1 impeller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct scope:\u003c\/strong\u003e Impeller only; the water pump housing, gasket, wear plate, key and other service parts are not included unless separately specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThese are the manufacturer and aftermarket reference numbers listed for this application. Reference numbers alone do not replace checking the complete engine model and application.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or source\u003c\/th\u003e\n\u003cth\u003eReference number\u003c\/th\u003e\n\u003cth\u003eReference type\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-44352-00-00\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-44352-01-00\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M6013127\u003c\/td\u003e\n\u003ctd\u003eListed cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M6010327\u003c\/td\u003e\n\u003ctd\u003eListed cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-3071\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-45609\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe following model designations are listed in the company fitment records. The two-stroke and four-stroke applications are kept separate because stroke type and model designation must match your outboard.\u003c\/p\u003e\n\n\u003ch3\u003eYamaha 2-Stroke Applications\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha 2-Stroke Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel designations\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e100A, 115B, 115C, 130B, 150A, 150F, D150H, 175D, 200A, 200F, 200G, 225D, 225F, 225G, 250A, 250B, 250G\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eYamaha 4-Stroke Applications\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha 4-Stroke Compatibility\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel designations\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF80C, F100B, F115A, F115B, F130A, F150A, F150B, F150D, F150F, F175A, F200A, F200B, F200C, F200F, F200G, F225A, F225B, F225C, F250A, F250B\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct type\u003c\/dt\u003e\n  \u003cdd\u003eWater pump impeller\u003c\/dd\u003e\n  \u003cdt\u003eInstallation location\u003c\/dt\u003e\n  \u003cdd\u003eLower-unit water pump\u003c\/dd\u003e\n  \u003cdt\u003eEngine applications\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha 2-stroke and 4-stroke outboards listed above\u003c\/dd\u003e\n  \u003cdt\u003eReplacement references\u003c\/dt\u003e\n  \u003cdd\u003e6E5-44352-00-00 and 6E5-44352-01-00\u003c\/dd\u003e\n  \u003cdt\u003ePackage quantity\u003c\/dt\u003e\n  \u003cdd\u003eOne impeller\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e Water pump housing, gasket, wear plate, impeller key, bolts, O-rings and other related service components.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eStop the engine, remove the ignition key and follow the manufacturer's safety procedures before beginning service.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the service instructions for your exact outboard model.\u003c\/li\u003e\n  \u003cli\u003eOpen the water pump housing and remove the existing impeller.\u003c\/li\u003e\n  \u003cli\u003eInspect the housing, wear plate, key, gaskets and seals for wear or damage. Replace worn service parts as required.\u003c\/li\u003e\n  \u003cli\u003eInstall the new impeller over the drive key and into the water pump housing, following the correct installation orientation for your engine.\u003c\/li\u003e\n  \u003cli\u003eReassemble the water pump and lower unit, then verify a strong cooling-water flow before returning the outboard to normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eMaintenance and Troubleshooting\u003c\/h2\u003e\n\u003cp\u003eInspect the impeller during scheduled cooling-system service and replace it when the vanes show cracking, distortion, hardening or other damage. Service intervals vary by engine, usage and water conditions, so follow the maintenance schedule for your exact outboard.\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat engines does this impeller fit?\u003c\/summary\u003e\n  \u003cp\u003eIt is listed for selected Yamaha 2-stroke models including 100A through 250G applications, and selected Yamaha 4-stroke models including F80C, F100B, F115A\/B, F130A, F150A\/B\/D\/F, F175A, F200A\/B\/C\/F\/G, F225A\/B\/C and F250A\/B. Confirm the complete model designation and original part number before purchase.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhere is the impeller installed?\u003c\/summary\u003e\n  \u003cp\u003eThe impeller is installed inside the water pump in the lower unit, also known as the gearcase, of the outboard.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this product include the key, gasket or water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one impeller only. The key, gasket, housing, wear plate, bolts, O-rings and other related components are not included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of an impeller that needs service?\u003c\/summary\u003e\n  \u003cp\u003ePossible signs include reduced or interrupted telltale water flow, overheating warnings, or reduced cooling performance. Stop operation and inspect the cooling system if any of these symptoms occur.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a genuine Yamaha part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement impeller. Yamaha, Mercury Marine, Sierra Marine and Mallory Marine names and reference numbers are used only to identify application and cross-reference information.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm compatibility?\u003c\/summary\u003e\n  \u003cp\u003eMatch the exact engine model designation, stroke type and original impeller reference number. If any of these details differ from the information above, consult an authorized marine technician or the manufacturer's parts documentation before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the exact model designation, stroke type and original part number before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard with suspected cooling-system failure or inadequate water flow.\u003c\/li\u003e\n  \u003cli\u003eUse the correct service procedures and replace related seals or hardware when inspection shows they are worn.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with lower-unit or water-pump service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine replacement parts\u003c\/strong\u003e — Practical replacement components for routine outboard maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-focused listings\u003c\/strong\u003e — Product information is organized around engine model and part-number references.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService-ready support\u003c\/strong\u003e — Review the compatibility information carefully before ordering and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723986637115,"sku":"17IY011","price":18.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Yamaha_99-15_HP_6E5-44352-01_-_JLM_MARINE-8288678.jpg?v=1763039491"},{"product_id":"water-pump-impeller-fits-yamaha-9-9-15-hp-replaces-63v-44352-01-00","title":"Water Pump Impeller for Yamaha 9.9–20 HP Outboards – Replaces 63V-44352-01-00","description":"\u003csection\u003e\n\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\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 aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for specified Yamaha 2-stroke and 4-stroke outboard applications. It is a replacement impeller for the lower-unit water pump and uses a six-blade design with a 12.85 mm inside diameter, 53 mm outside diameter, and 14 mm width.\u003c\/p\u003e\n\u003cp\u003eThe impeller is listed for Yamaha OEM references \u003cstrong\u003e63V-44352-00\u003c\/strong\u003e, \u003cstrong\u003e63V-44352-01\u003c\/strong\u003e, \u003cstrong\u003e63V-44352-00-00\u003c\/strong\u003e, and \u003cstrong\u003e63V-44352-01-00\u003c\/strong\u003e. Listed aftermarket references include Sierra \u003cstrong\u003e18-3040\u003c\/strong\u003e, GLM \u003cstrong\u003e89619\u003c\/strong\u003e, Mallory \u003cstrong\u003e9-45607\u003c\/strong\u003e, and Parsun \u003cstrong\u003eASP500363\u003c\/strong\u003e. Mercury Marine references listed for this product are \u003cstrong\u003e8M6014002\u003c\/strong\u003e and \u003cstrong\u003e8M6010335\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement impeller for the outboard water pump assembly.\u003c\/li\u003e\n  \u003cli\u003eSix-blade configuration.\u003c\/li\u003e\n  \u003cli\u003eVerify the dimensions and part-number references before ordering.\u003c\/li\u003e\n  \u003cli\u003eInstall in the lower unit according to the engine service manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the replacement impeller with your existing part and service documentation.\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\u003eReference Type\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\u003e63V-44352-00\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-44352-01\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-44352-00-00\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-44352-01-00\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3040\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89619\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45607\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eASP500363\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M6014002\u003c\/td\u003e\n\u003ctd\u003eListed reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M6010335\u003c\/td\u003e\n\u003ctd\u003eListed reference\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\u003eFitment depends on the exact engine model and water-pump configuration. Keep horsepower, stroke, model designation, and serial or year information together when checking compatibility.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYear or Scope\u003c\/th\u003e\n        \u003cth\u003eOEM Reference\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\u003e9.9F, 15F, 15MSHC\u003c\/td\u003e\n        \u003ctd\u003e9.9–15 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eExact model and serial verification required\u003c\/td\u003e\n        \u003ctd\u003e63V-44352-00 \/ 63V-44352-01\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eFT8D, FT8G, F9.9C, FT9.9D, FT9.9G, F9.9H, FT9.9L, F15A, F15C, F20B, 15FMH1, 5FMHS\u003c\/td\u003e\n        \u003ctd\u003e5–20 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984 and later Yamaha 4-stroke outboards, subject to exact model verification\u003c\/td\u003e\n        \u003ctd\u003e63V-44352-00-00 \/ 63V-44352-01-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe company fitment records do not establish a complete Mercury or Mariner engine-model, year, stroke, or serial-number range. Do not rely on a general horsepower match alone for those applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eOutboard water pump impeller\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSpecified Yamaha 2-stroke and 4-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n  \u003cdd\u003e6\u003c\/dd\u003e\n  \u003cdt\u003eInside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e12.85 mm\u003c\/dd\u003e\n  \u003cdt\u003eOutside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e53 mm\u003c\/dd\u003e\n  \u003cdt\u003eWidth\u003c\/dt\u003e\n  \u003cdd\u003e14 mm\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Location\u003c\/dt\u003e\n  \u003cdd\u003eLower-unit water pump assembly\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a single replacement impeller. A water-pump key, gasket, housing, wear plate, and other water-pump components are not included unless separately stated for the order.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, stroke, year or serial range, and existing impeller dimensions before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery and place the outboard in neutral.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the water-pump housing cover and old impeller, noting the original vane direction.\u003c\/li\u003e\n  \u003cli\u003eInspect the housing, wear plate, key, gasket, and related components for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement impeller with the correct key and vane orientation. Do not force the impeller or operate it dry.\u003c\/li\u003e\n  \u003cli\u003eReinstall the housing and lower unit using the manufacturer's torque specifications.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate water supply and confirm a steady cooling-water tell-tale stream before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm this impeller fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare your engine's complete model designation, stroke, year or serial information, existing impeller dimensions, and OEM reference with the information on this page. The correct horsepower alone is not sufficient to confirm fitment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a failing impeller?\u003c\/summary\u003e\n  \u003cp\u003eA weak or missing tell-tale stream, overheating alarm, rising engine temperature, or steam may indicate a cooling-system problem. Stop the engine if overheating or loss of cooling water is suspected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplacement intervals vary by engine manufacturer, operating hours, and water conditions. Follow the owner's or service manual. Inspect the impeller regularly, especially after operation in saltwater, sand, silt, or debris.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this product include the water-pump key?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one impeller only. The key and other water-pump service parts are not included unless specifically listed with the order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement impeller that references the Yamaha and aftermarket part numbers listed above. Yamaha, Sierra, GLM, Mallory, Parsun, and Mercury Marine are referenced for identification only; this listing is not presented as a genuine OEM product.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs professional installation recommended?\u003c\/summary\u003e\n  \u003cp\u003eYes, if you are not experienced with outboard lower-unit service. Impeller replacement requires access to the water-pump assembly and correct reassembly of the gearcase and cooling system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed and cost\u003c\/summary\u003e\n  \u003cp\u003eShipping options, delivery estimates, and cost are shown at checkout based on the destination and selected service.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty and returns\u003c\/summary\u003e\n  \u003cp\u003eWarranty coverage and return eligibility are governed by the applicable store policies. Contact support with your order details if you need assistance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model, stroke, year or serial information, and impeller dimensions before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not run the impeller dry; lack of water can damage the impeller and cooling system.\u003c\/li\u003e\n  \u003cli\u003eInspect the water-pump housing, wear plate, key, gasket, and related parts during installation.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not a genuine OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when lower-unit service is outside your experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical replacement components for outboard maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Part-number references and application details help you compare before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact our team with your engine information and order details when you need assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723986669883,"sku":"17IY005","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Yamaha_99-15_HP_63V-44352-01_-_JLM_MARINE-8288642.jpg?v=1763039492"},{"product_id":"water-pump-impeller-repair-kit-fits-yamaha-9-9hp-15hp-outboards-replaces-63v-w0078-00-00-63v-w0078-01-00","title":"Yamaha 9.9HP\/15HP Water Pump Service Kit Without Housing – 2-Stroke 1996–2023 and Select 4-Stroke Models","description":"\u003csection\u003e\n\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump service kit without housing\u003c\/strong\u003e is designed for selected Yamaha 9.9HP and 15HP outboard applications. The company fitment data covers 2-Stroke 9.9HP and 15HP models from 1996 through 2023, plus selected 4-Stroke F9.9-2, T9.9-2, and F15 model families. The kit renews key water-pump service components to help restore cooling-water circulation and support reliable engine operation.\u003c\/p\u003e\n\u003cp\u003eThis service kit is supplied \u003cstrong\u003ewithout the water-pump housing\u003c\/strong\u003e. Confirm the engine model, stroke, year, and existing pump components before ordering. Model-family fitment does not replace a direct comparison with the engine's parts diagram.\u003c\/p\u003e\n\n\u003ch2\u003eOEM and Interchange References\u003c\/h2\u003e\n\u003cp\u003eThe primary Yamaha reference recorded for this service kit is \u003cstrong\u003e63V-W0078-00\u003c\/strong\u003e. Related references listed in aftermarket catalog and product-mapping records may include the following numbers; use them only together with the application details and package configuration.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"OEM and interchange references\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-00\u003c\/td\u003e\n\u003ctd\u003ePrimary reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-00-00\u003c\/td\u003e\n\u003ctd\u003eCatalog-formatted reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-01-00\u003c\/td\u003e\n\u003ctd\u003eRelated service-kit reference for selected applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eRelated catalog reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-03-00\u003c\/td\u003e\n\u003ctd\u003eRelated catalog reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e63V-W0078-04-00\u003c\/td\u003e\n\u003ctd\u003eRelated catalog reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3412\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3433\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e12066\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eKeep the horsepower, stroke, model family, and year together when checking fitment. The following scope reflects the available company and catalog data.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or application\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear or scope\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e9.9HP model family\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2023\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application range; verify the exact model code.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e15HP model family\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2023\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application range; verify the exact model code.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel family listed by company\u003c\/td\u003e\n\u003ctd\u003eYear and serial range are not specified in the company record.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eT9.9-2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel family listed by company\u003c\/td\u003e\n\u003ctd\u003eYear and serial range are not specified in the company record.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel family listed by company\u003c\/td\u003e\n\u003ctd\u003eYear and serial range are not specified in the company record.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct type\u003c\/dt\u003e\n\u003cdd\u003eWater pump service and repair kit\u003c\/dd\u003e\n  \u003cdt\u003eHousing configuration\u003c\/dt\u003e\n\u003cdd\u003eWithout water-pump housing\u003c\/dd\u003e\n  \u003cdt\u003eBrand application\u003c\/dt\u003e\n\u003cdd\u003eYamaha Outboard\u003c\/dd\u003e\n  \u003cdt\u003e2-Stroke fitment\u003c\/dt\u003e\n\u003cdd\u003e9.9HP and 15HP models, 1996–2023\u003c\/dd\u003e\n  \u003cdt\u003e4-Stroke fitment\u003c\/dt\u003e\n\u003cdd\u003eSelected F9.9-2, T9.9-2, and F15 model families\u003c\/dd\u003e\n  \u003cdt\u003ePrimary OEM reference\u003c\/dt\u003e\n\u003cdd\u003e63V-W0078-00\u003c\/dd\u003e\n  \u003cdt\u003eProduct status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not manufactured by Yamaha\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp\u003eThis service-kit configuration is supplied without the water-pump housing. The component list associated with this kit is:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Cartridge insert\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge outer plate\u003c\/li\u003e\n  \u003cli\u003e1 x Water-pump impeller\u003c\/li\u003e\n  \u003cli\u003e1 x Water seal\u003c\/li\u003e\n  \u003cli\u003e1 x Woodruff key\u003c\/li\u003e\n  \u003cli\u003e4 x Hex bolts\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart-number markings and component appearance can vary by production batch. Compare the supplied parts with the original assembly before installation. The water-pump housing is not included.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery where applicable, remove the spark-plug leads, and place the outboard in neutral.\u003c\/li\u003e\n  \u003cli\u003eSupport the engine and remove the fasteners securing the lower unit to the midsection.\u003c\/li\u003e\n  \u003cli\u003eLower the gearcase carefully, keeping the driveshaft, shift shaft, and water tube aligned during removal.\u003c\/li\u003e\n  \u003cli\u003eRemove the water-pump cover or service components and record the order and orientation of the original parts.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller, plates, seals, key, and related service components. Do not discard reusable housing parts until the replacement components have been checked.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces and water passages. Remove old gasket material and debris without damaging sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eInstall the new service components in the correct order. Lightly lubricate the impeller with a suitable lubricant compatible with the manufacturer's instructions.\u003c\/li\u003e\n  \u003cli\u003eAlign the Woodruff key and install the impeller on the driveshaft. Rotate the shaft in the correct direction while seating the impeller vanes in the housing.\u003c\/li\u003e\n  \u003cli\u003eReassemble the pump, ensuring that the O-ring and water seal are correctly seated. Tighten fasteners to the engine manufacturer's specifications.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit and verify proper engagement of the driveshaft, shift shaft, and water tube.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only with an adequate water supply, then verify a strong tell-tale stream and check carefully for leaks or abnormal temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eConsult the appropriate Yamaha service information for disassembly procedures, torque values, sealants, and any model-specific installation requirements.\u003c\/p\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm that this kit fits my Yamaha outboard?\u003c\/summary\u003e\u003cp\u003eMatch the exact engine model code, horsepower, stroke, and year to the compatibility information above and compare the original water-pump assembly. For 4-Stroke applications, the company record identifies the F9.9-2, T9.9-2, and F15 model families but does not specify year or serial ranges, so verify those details before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit include the water-pump housing?\u003c\/summary\u003e\u003cp\u003eNo. This is the service-kit configuration without the water-pump housing. Reuse the original housing only if it is within serviceable condition and matches the replacement components.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a worn impeller?\u003c\/summary\u003e\u003cp\u003eTypical symptoms include a weak or intermittent tell-tale stream, overheating at idle or low speed, an engine temperature warning, or visible cracks, brittleness, deformation, or missing vanes on the old impeller.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should a water-pump impeller be replaced?\u003c\/summary\u003e\u003cp\u003eReplacement intervals depend on operating hours, storage, water conditions, and manufacturer guidance. Inspect the impeller during scheduled maintenance and replace it sooner after dry running, sand ingestion, saltwater exposure, or any overheating event.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM Yamaha part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement service kit. Yamaha references are provided for application and cross-reference purposes only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use the kit if my existing housing is damaged?\u003c\/summary\u003e\u003cp\u003eNo. Because the housing is not included, replace or repair a damaged, deeply scored, warped, or excessively worn housing before returning the engine to service.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm the exact model, year, stroke, and pump configuration before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the outboard without an adequate water supply.\u003c\/li\u003e\n  \u003cli\u003eFollow the manufacturer's service procedures and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with lower-unit removal or water-pump servicing.\u003c\/li\u003e\n  \u003cli\u003eThis listing is for an aftermarket replacement kit and is not affiliated with or endorsed by Yamaha, Sierra, or GLM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical aftermarket components for routine outboard service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment information are provided to help match the correct service part.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Maintenance Projects\u003c\/strong\u003e — Use the model details and installation information to prepare for regular cooling-system service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723986768187,"sku":"17KY013","price":32.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_99HP_15HP__63V-W0078-00-00_63V-W0078-01-00_63V-W0078-02-00_63V-W0078-03-00_63V-W0078-04-00_-_JLM_MARINE-8286414.jpg?v=1763039497"}],"url":"https:\/\/seasierra.com\/collections\/yamaha-4-stroke-9-9-15hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}