{"product_id":"sierra-impeller-sie-18-3065-ap-2174","title":"Sierra Impeller 18-3065 (AP-2174) – Mercury \/ Mariner Outboard Water Pump Replacement","description":"\u003cp data-end=\"496\" data-start=\"216\"\u003eThe \u003cstrong data-end=\"257\" data-start=\"220\"\u003eSierra 18-3065 Impeller (AP-2174)\u003c\/strong\u003e is a high-quality raw water pump impeller designed for Mercury and Mariner outboards. This impeller is responsible for circulating cooling water through the engine, helping maintain proper operating temperature and preventing overheating.\u003c\/p\u003e\n\u003cp data-end=\"705\" data-start=\"498\"\u003eConstructed from durable, flexible rubber and engineered to meet or exceed OEM specifications, this impeller ensures consistent water flow and long service life in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003cp data-end=\"857\" data-start=\"707\"\u003eIdeal for routine maintenance, replacing your impeller helps restore full cooling system efficiency and protects your engine from heat-related damage.\u003c\/p\u003e\n\u003chr data-end=\"862\" data-start=\"859\"\u003e\n\u003ch2 data-end=\"883\" data-start=\"864\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"883\" data-start=\"867\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1157\" data-start=\"884\"\u003e\n\u003cli data-end=\"930\" data-start=\"884\"\u003eDirect replacement raw water pump impeller\u003c\/li\u003e\n\u003cli data-end=\"981\" data-start=\"931\"\u003eFlexible rubber vanes for efficient water flow\u003c\/li\u003e\n\u003cli data-end=\"1027\" data-start=\"982\"\u003ePrecision-fit hub for secure installation\u003c\/li\u003e\n\u003cli data-end=\"1075\" data-start=\"1028\"\u003eMaintains proper engine cooling performance\u003c\/li\u003e\n\u003cli data-end=\"1120\" data-start=\"1076\"\u003eMarine-grade construction for durability\u003c\/li\u003e\n\u003cli data-end=\"1157\" data-start=\"1121\"\u003eSierra limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1162\" data-start=\"1159\"\u003e\n\u003ch2 data-end=\"1191\" data-start=\"1164\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1191\" data-start=\"1167\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"1228\" data-start=\"1193\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1228\" data-start=\"1197\"\u003eMercury \/ Mariner Outboards\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1246\" data-start=\"1229\"\u003eCommonly used on:\u003c\/p\u003e\n\u003cul data-end=\"1276\" data-start=\"1247\"\u003e\n\u003cli data-end=\"1256\" data-start=\"1247\"\u003e20 HP\u003c\/li\u003e\n\u003cli data-end=\"1266\" data-start=\"1257\"\u003e25 HP\u003c\/li\u003e\n\u003cli data-end=\"1276\" data-start=\"1267\"\u003e30 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1378\" data-start=\"1278\"\u003e➡️ Fits select 2-stroke and early 4-stroke Mercury\/Mariner outboards using compatible pump housings.\u003c\/p\u003e\n\u003chr data-end=\"1383\" data-start=\"1380\"\u003e\n\u003ch2 data-end=\"1422\" data-start=\"1385\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1420\" data-start=\"1388\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1442\" data-start=\"1423\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-end=\"1531\" data-start=\"1443\"\u003e\n\u003cli data-end=\"1468\" data-start=\"1443\"\u003eEngine model and year\u003c\/li\u003e\n\u003cli data-end=\"1496\" data-start=\"1469\"\u003eWater pump housing type\u003c\/li\u003e\n\u003cli data-end=\"1531\" data-start=\"1497\"\u003eShaft spline\/key configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1557\" data-start=\"1533\"\u003e⚠️ Always confirm using:\u003c\/p\u003e\n\u003cul data-end=\"1632\" data-start=\"1558\"\u003e\n\u003cli data-end=\"1582\" data-start=\"1558\"\u003eEngine serial number\u003c\/li\u003e\n\u003cli data-end=\"1632\" data-start=\"1583\"\u003eOEM part number match (\u003cstrong data-end=\"1629\" data-start=\"1608\"\u003e18-3065 \/ AP-2174\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1637\" data-start=\"1634\"\u003e\n\u003ch2 data-end=\"1678\" data-start=\"1639\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1678\" data-start=\"1642\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1714\" data-start=\"1679\"\u003eReplace the impeller if you notice:\u003c\/p\u003e\n\u003cul data-end=\"1867\" data-start=\"1715\"\u003e\n\u003cli data-end=\"1745\" data-start=\"1715\"\u003eWeak or no telltale stream\u003c\/li\u003e\n\u003cli data-end=\"1768\" data-start=\"1746\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-end=\"1800\" data-start=\"1769\"\u003eReduced cooling performance\u003c\/li\u003e\n\u003cli data-end=\"1840\" data-start=\"1801\"\u003eCracked, hardened, or missing vanes\u003c\/li\u003e\n\u003cli data-end=\"1867\" data-start=\"1841\"\u003eAfter seasonal storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1930\" data-start=\"1869\"\u003eRecommended service interval: \u003cstrong data-end=\"1930\" data-start=\"1899\"\u003eevery 100 hours or annually\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"1935\" data-start=\"1932\"\u003e\n\u003ch2 data-end=\"1962\" data-start=\"1937\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1962\" data-start=\"1940\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2160\" data-start=\"1963\"\u003e\n\u003cli data-end=\"2005\" data-start=\"1963\"\u003eLubricate impeller before installation\u003c\/li\u003e\n\u003cli data-end=\"2044\" data-start=\"2006\"\u003eInstall with correct vane rotation\u003c\/li\u003e\n\u003cli data-end=\"2084\" data-start=\"2045\"\u003eInspect pump housing and wear plate\u003c\/li\u003e\n\u003cli data-end=\"2126\" data-start=\"2085\"\u003eEnsure proper key or spline alignment\u003c\/li\u003e\n\u003cli data-end=\"2160\" data-start=\"2127\"\u003eReplace seals\/gaskets if worn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2165\" data-start=\"2162\"\u003e\n\u003ch2 data-end=\"2209\" data-start=\"2167\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2209\" data-start=\"2170\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"2239\" data-start=\"2211\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2239\" data-start=\"2215\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2288\" data-start=\"2240\"\u003e\n\u003cli data-end=\"2288\" data-start=\"2240\"\u003eMercury: \u003cstrong data-end=\"2263\" data-start=\"2251\"\u003e47-89984\u003c\/strong\u003e, \u003cstrong data-end=\"2275\" data-start=\"2265\"\u003e89984T\u003c\/strong\u003e, \u003cstrong data-end=\"2288\" data-start=\"2277\"\u003e89984T1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2293\" data-start=\"2290\"\u003e\n\u003ch3 data-end=\"2331\" data-start=\"2295\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2331\" data-start=\"2299\"\u003eAftermarket Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2397\" data-start=\"2332\"\u003e\n\u003cli data-end=\"2355\" data-start=\"2332\"\u003eSierra: \u003cstrong data-end=\"2353\" data-start=\"2342\"\u003e18-3065\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2380\" data-start=\"2356\"\u003eMallory: \u003cstrong data-end=\"2378\" data-start=\"2367\"\u003e9-45603\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2397\" data-start=\"2381\"\u003eGLM: \u003cstrong data-end=\"2397\" data-start=\"2388\"\u003e12019\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2402\" data-start=\"2399\"\u003e\n\u003ch2 data-end=\"2421\" data-start=\"2404\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2419\" data-start=\"2407\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2487\" data-start=\"2422\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-end=\"2492\" data-start=\"2489\"\u003e\n\u003ch3 data-end=\"2521\" data-start=\"2494\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-end=\"2718\" data-start=\"2522\"\u003eIf your engine is running a little warmer than usual or the telltale stream looks weaker, the impeller is often the cause. They wear gradually and can fail under load before showing obvious signs.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2820\" data-start=\"2720\"\u003eReplacing it regularly is one of the simplest ways to keep your outboard reliable and ready to go 👍\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564240830500,"sku":"SIE-18-3065","price":41.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/62032e78-5eab-4e9d-a655-331020aaa154.png?v=1774210500","url":"https:\/\/marisolmarine.com\/products\/sierra-impeller-sie-18-3065-ap-2174","provider":"Marisol Marine Company","version":"1.0","type":"link"}