{"product_id":"sierra-marine-water-pump-impeller-18-3016-1","title":"Sierra Marine Water Pump Impeller 18-3016-1 – Mercury \/ Mariner V6 Outboard Replacement","description":"\u003cp data-start=\"218\" data-end=\"522\"\u003eThe \u003cstrong data-start=\"222\" data-end=\"262\"\u003eSierra 18-3016-1 Water Pump Impeller\u003c\/strong\u003e is a direct replacement raw water pump impeller designed for Mercury and Mariner V6 outboard engines. This impeller is responsible for drawing cooling water through the lower unit and circulating it through the engine to maintain proper operating temperature.\u003c\/p\u003e\n\u003cp data-start=\"524\" data-end=\"797\"\u003eConstructed from high-quality, flexible marine-grade rubber, this impeller delivers reliable water flow and long service life in both freshwater and saltwater environments. Replacing a worn impeller is essential to prevent overheating and ensure optimal engine performance.\u003c\/p\u003e\n\u003cp data-start=\"799\" data-end=\"933\"\u003eEngineered to meet or exceed OEM specifications, this impeller provides dependable fit and function for routine maintenance or repair.\u003c\/p\u003e\n\u003chr data-start=\"935\" data-end=\"938\"\u003e\n\u003ch2 data-start=\"940\" data-end=\"959\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"943\" data-end=\"959\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"960\" data-end=\"1233\"\u003e\n\u003cli data-start=\"960\" data-end=\"1006\"\u003eDirect replacement raw water pump impeller\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1057\"\u003eFlexible rubber vanes for efficient water flow\u003c\/li\u003e\n\u003cli data-start=\"1058\" data-end=\"1103\"\u003ePrecision-fit hub for secure installation\u003c\/li\u003e\n\u003cli data-start=\"1104\" data-end=\"1151\"\u003eMaintains proper engine cooling performance\u003c\/li\u003e\n\u003cli data-start=\"1152\" data-end=\"1196\"\u003eMarine-grade construction for durability\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1233\"\u003eSierra limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1235\" data-end=\"1238\"\u003e\n\u003ch2 data-start=\"1240\" data-end=\"1267\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1243\" data-end=\"1267\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1269\" data-end=\"1304\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1273\" data-end=\"1304\"\u003eMercury \/ Mariner Outboards\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1305\" data-end=\"1374\"\u003e\n\u003cli data-start=\"1305\" data-end=\"1318\"\u003eV6 135 HP\u003c\/li\u003e\n\u003cli data-start=\"1319\" data-end=\"1332\"\u003eV6 150 HP\u003c\/li\u003e\n\u003cli data-start=\"1333\" data-end=\"1346\"\u003eV6 175 HP\u003c\/li\u003e\n\u003cli data-start=\"1347\" data-end=\"1360\"\u003eV6 200 HP\u003c\/li\u003e\n\u003cli data-start=\"1361\" data-end=\"1374\"\u003eV6 225 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1376\" data-end=\"1467\"\u003e➡️ Fits a wide range of Mercury\/Mariner V6 outboards using compatible water pump assemblies\u003c\/p\u003e\n\u003chr data-start=\"1469\" data-end=\"1472\"\u003e\n\u003ch2 data-start=\"1474\" data-end=\"1511\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1477\" data-end=\"1509\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1512\" data-end=\"1531\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-start=\"1532\" data-end=\"1604\"\u003e\n\u003cli data-start=\"1532\" data-end=\"1557\"\u003eEngine model and year\u003c\/li\u003e\n\u003cli data-start=\"1558\" data-end=\"1575\"\u003eGearcase type\u003c\/li\u003e\n\u003cli data-start=\"1576\" data-end=\"1604\"\u003eWater pump configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1606\" data-end=\"1630\"\u003e⚠️ Always confirm using:\u003c\/p\u003e\n\u003cul data-start=\"1631\" data-end=\"1697\"\u003e\n\u003cli data-start=\"1631\" data-end=\"1655\"\u003eEngine serial number\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1697\"\u003eOEM part number match (\u003cstrong data-start=\"1681\" data-end=\"1694\"\u003e18-3016-1\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1699\" data-end=\"1702\"\u003e\n\u003ch2 data-start=\"1704\" data-end=\"1743\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1743\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1744\" data-end=\"1779\"\u003eReplace the impeller if you notice:\u003c\/p\u003e\n\u003cul data-start=\"1780\" data-end=\"1929\"\u003e\n\u003cli data-start=\"1780\" data-end=\"1810\"\u003eWeak or no telltale stream\u003c\/li\u003e\n\u003cli data-start=\"1811\" data-end=\"1833\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-start=\"1834\" data-end=\"1865\"\u003eReduced cooling performance\u003c\/li\u003e\n\u003cli data-start=\"1866\" data-end=\"1902\"\u003eCracked, missing, or stiff vanes\u003c\/li\u003e\n\u003cli data-start=\"1903\" data-end=\"1929\"\u003eAfter seasonal storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1931\" data-end=\"1992\"\u003eRecommended service interval: \u003cstrong data-start=\"1961\" data-end=\"1992\"\u003eevery 100 hours or annually\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1994\" data-end=\"1997\"\u003e\n\u003ch2 data-start=\"1999\" data-end=\"2024\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2002\" data-end=\"2024\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2025\" data-end=\"2212\"\u003e\n\u003cli data-start=\"2025\" data-end=\"2067\"\u003eLubricate impeller before installation\u003c\/li\u003e\n\u003cli data-start=\"2068\" data-end=\"2106\"\u003eInstall with correct vane rotation\u003c\/li\u003e\n\u003cli data-start=\"2107\" data-end=\"2146\"\u003eInspect wear plate and pump housing\u003c\/li\u003e\n\u003cli data-start=\"2147\" data-end=\"2178\"\u003eEnsure proper key alignment\u003c\/li\u003e\n\u003cli data-start=\"2179\" data-end=\"2212\"\u003eReplace seals\/gaskets if worn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2214\" data-end=\"2217\"\u003e\n\u003ch2 data-start=\"2219\" data-end=\"2261\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2222\" data-end=\"2261\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2263\" data-end=\"2291\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2267\" data-end=\"2291\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2292\" data-end=\"2330\"\u003e\n\u003cli data-start=\"2292\" data-end=\"2330\"\u003eMercury: \u003cstrong data-start=\"2303\" data-end=\"2317\"\u003e47-96148T8\u003c\/strong\u003e, \u003cstrong data-start=\"2319\" data-end=\"2330\"\u003e96148T8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2332\" data-end=\"2335\"\u003e\n\u003ch3 data-start=\"2337\" data-end=\"2373\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2341\" data-end=\"2373\"\u003eAftermarket Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2374\" data-end=\"2441\"\u003e\n\u003cli data-start=\"2374\" data-end=\"2399\"\u003eSierra: \u003cstrong data-start=\"2384\" data-end=\"2397\"\u003e18-3016-1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2400\" data-end=\"2424\"\u003eMallory: \u003cstrong data-start=\"2411\" data-end=\"2422\"\u003e9-45607\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2425\" data-end=\"2441\"\u003eGLM: \u003cstrong data-start=\"2432\" data-end=\"2441\"\u003e12031\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2443\" data-end=\"2446\"\u003e\n\u003ch2 data-start=\"2448\" data-end=\"2465\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2451\" data-end=\"2463\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2466\" data-end=\"2531\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-start=\"2533\" data-end=\"2536\"\u003e\n\u003ch3 data-start=\"2538\" data-end=\"2565\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2566\" data-end=\"2710\"\u003eOn V6 outboards, the impeller does the most work at higher RPM. A worn impeller might still cool fine at idle but struggle once you’re on plane.\u003c\/p\u003e\n\u003cp data-start=\"2712\" data-end=\"2810\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eReplacing it regularly is one of the best ways to keep your engine protected and running strong 👍\u003c\/p\u003e\n\u003ch2 data-start=\"1347\" data-end=\"1373\"\u003e💡 Parts Desk Insight\u003c\/h2\u003e\n\u003cp data-start=\"1374\" data-end=\"1587\"\u003eSome Mercury applications use \u003cstrong data-start=\"1404\" data-end=\"1461\"\u003ecomposite hub impellers instead of brass splined hubs\u003c\/strong\u003e. Matching the hub style is just as important as size—installing the wrong type can lead to poor fitment or premature failure.\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564076367908,"sku":"18-3016-1","price":45.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/33f7f8be-e53f-4afa-b4de-2a00260b7d4d.png?v=1774225197","url":"https:\/\/marisolmarine.com\/products\/sierra-marine-water-pump-impeller-18-3016-1","provider":"Marisol Marine Company","version":"1.0","type":"link"}