{"product_id":"sierra-marine-water-pump-kit-18-3205","title":"Sierra Marine Water Pump Kit 18-3205 – Yamaha 9.9-15HP 2-Stroke Cooling System Rebuild","description":"\u003cp data-start=\"261\" data-end=\"529\"\u003eThe \u003cstrong data-start=\"265\" data-end=\"298\"\u003eSierra 18-3205 Water Pump Kit\u003c\/strong\u003e is a complete cooling system rebuild solution for Yamaha small horsepower 2-stroke outboards. Designed to restore proper water flow and engine cooling, this kit replaces all critical wear components inside the water pump assembly.\u003c\/p\u003e\n\u003cp data-start=\"531\" data-end=\"760\"\u003eThis is a \u003cstrong data-start=\"541\" data-end=\"566\"\u003e“without housing” kit\u003c\/strong\u003e, meaning it includes the impeller, wear plate, cup, seals, and gaskets while reusing the existing housing. Ideal for routine maintenance or correcting weak telltale flow and overheating issues.\u003c\/p\u003e\n\u003cp data-start=\"762\" data-end=\"927\"\u003eManufactured to meet or exceed OEM specifications, this kit ensures reliable cooling performance and long service life in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003chr data-start=\"929\" data-end=\"932\"\u003e\n\u003ch2 data-start=\"934\" data-end=\"953\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"937\" data-end=\"953\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"954\" data-end=\"1237\"\u003e\n\u003cli data-start=\"954\" data-end=\"1009\"\u003eComplete internal water pump rebuild kit (no housing)\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1071\"\u003eIncludes impeller, cup, wear plate, gaskets, seals, and key\u003c\/li\u003e\n\u003cli data-start=\"1072\" data-end=\"1115\"\u003eRestores proper cooling water circulation\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1160\"\u003eDirect OEM replacement fit and performance\u003c\/li\u003e\n\u003cli data-start=\"1161\" data-end=\"1210\"\u003eDesigned for Yamaha small HP 2-stroke platforms\u003c\/li\u003e\n\u003cli data-start=\"1211\" data-end=\"1237\"\u003eSierra lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1239\" data-end=\"1242\"\u003e\n\u003ch2 data-start=\"1244\" data-end=\"1271\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1247\" data-end=\"1271\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1273\" data-end=\"1308\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1308\"\u003eYamaha Outboards (2-Stroke)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1309\" data-end=\"1329\"\u003e\n\u003cli data-start=\"1309\" data-end=\"1319\"\u003e9.9 HP\u003c\/li\u003e\n\u003cli data-start=\"1320\" data-end=\"1329\"\u003e15 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1331\" data-end=\"1410\"\u003e➡️ Fits most \u003cstrong data-start=\"1344\" data-end=\"1382\"\u003e2-cylinder Yamaha 2-stroke engines\u003c\/strong\u003e using standard lower units.\u003c\/p\u003e\n\u003ch3 data-start=\"1412\" data-end=\"1449\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1416\" data-end=\"1449\"\u003eMariner (Yamaha-built models)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1450\" data-end=\"1470\"\u003e\n\u003cli data-start=\"1450\" data-end=\"1460\"\u003e9.9 HP\u003c\/li\u003e\n\u003cli data-start=\"1461\" data-end=\"1470\"\u003e15 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1472\" data-end=\"1574\"\u003eThese engines share the same Yamaha powerhead and lower unit design, making this kit cross-compatible.\u003c\/p\u003e\n\u003chr data-start=\"1576\" data-end=\"1579\"\u003e\n\u003ch2 data-start=\"1581\" data-end=\"1618\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1616\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1619\" data-end=\"1670\"\u003eFitment varies by shaft length and production year.\u003c\/p\u003e\n\u003cp data-start=\"1672\" data-end=\"1753\"\u003e⚠️ Always confirm using your engine serial number before ordering, especially on:\u003c\/p\u003e\n\u003cul data-start=\"1754\" data-end=\"1831\"\u003e\n\u003cli data-start=\"1754\" data-end=\"1789\"\u003eEarly vs late model transitions\u003c\/li\u003e\n\u003cli data-start=\"1790\" data-end=\"1831\"\u003eYamaha vs Yamaha-built Mariner models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1833\" data-end=\"1836\"\u003e\n\u003ch2 data-start=\"1838\" data-end=\"1877\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1841\" data-end=\"1877\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1878\" data-end=\"1919\"\u003eReplace the water pump kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"1920\" data-end=\"2086\"\u003e\n\u003cli data-start=\"1920\" data-end=\"1950\"\u003eWeak or no telltale stream\u003c\/li\u003e\n\u003cli data-start=\"1951\" data-end=\"1973\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-start=\"1974\" data-end=\"2001\"\u003eReduced cooling at idle\u003c\/li\u003e\n\u003cli data-start=\"2002\" data-end=\"2047\"\u003eImpeller cracking, swelling, or hardening\u003c\/li\u003e\n\u003cli data-start=\"2048\" data-end=\"2086\"\u003eEngine stored dry for long periods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2088\" data-end=\"2149\"\u003eRecommended service interval: \u003cstrong data-start=\"2118\" data-end=\"2149\"\u003eevery 100 hours or annually\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2151\" data-end=\"2154\"\u003e\n\u003ch2 data-start=\"2156\" data-end=\"2181\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2159\" data-end=\"2181\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2182\" data-end=\"2434\"\u003e\n\u003cli data-start=\"2182\" data-end=\"2225\"\u003eThis kit \u003cstrong data-start=\"2193\" data-end=\"2225\"\u003edoes NOT include the housing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2226\" data-end=\"2273\"\u003eInspect housing and replace if worn or scored\u003c\/li\u003e\n\u003cli data-start=\"2274\" data-end=\"2320\"\u003eInstall impeller with correct vane direction\u003c\/li\u003e\n\u003cli data-start=\"2321\" data-end=\"2360\"\u003eUse marine grease during installation\u003c\/li\u003e\n\u003cli data-start=\"2361\" data-end=\"2403\"\u003eReplace key and seals to prevent failure\u003c\/li\u003e\n\u003cli data-start=\"2404\" data-end=\"2434\"\u003eEnsure proper gasket sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2436\" data-end=\"2439\"\u003e\n\u003ch2 data-start=\"2441\" data-end=\"2483\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2444\" data-end=\"2483\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2485\" data-end=\"2513\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2489\" data-end=\"2513\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2514\" data-end=\"2575\"\u003e\n\u003cli data-start=\"2514\" data-end=\"2575\"\u003eYamaha:\n\u003cul data-start=\"2528\" data-end=\"2575\"\u003e\n\u003cli data-start=\"2528\" data-end=\"2551\"\u003e\u003cstrong data-start=\"2530\" data-end=\"2549\"\u003e682-W0078-00-00\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2554\" data-end=\"2575\"\u003e\u003cstrong data-start=\"2556\" data-end=\"2575\"\u003e682-W0078-A0-00\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2577\" data-end=\"2580\"\u003e\n\u003ch3 data-start=\"2582\" data-end=\"2618\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2586\" data-end=\"2618\"\u003eAftermarket Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2619\" data-end=\"2660\"\u003e\n\u003cli data-start=\"2619\" data-end=\"2643\"\u003eMallory: \u003cstrong data-start=\"2630\" data-end=\"2641\"\u003e9-45605\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2644\" data-end=\"2660\"\u003eGLM: \u003cstrong data-start=\"2651\" data-end=\"2660\"\u003e12025\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2662\" data-end=\"2665\"\u003e\n\u003ch2 data-start=\"2667\" data-end=\"2684\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2670\" data-end=\"2682\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2685\" data-end=\"2750\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564076597284,"sku":"18-3205","price":78.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/3fbe793c-0ebd-4790-a18a-b287b5197464.png?v=1774145329","url":"https:\/\/marisolmarine.com\/products\/sierra-marine-water-pump-kit-18-3205","provider":"Marisol Marine Company","version":"1.0","type":"link"}