{"product_id":"sierra-raw-water-pump-impeller-sie-18-8926","title":"Sierra Raw Water Pump Impeller 18-8926 – Volvo Penta \/ OMC \/ Crusader Marine Engines","description":"\u003cp data-start=\"215\" data-end=\"515\"\u003eThe \u003cstrong data-start=\"219\" data-end=\"261\"\u003eSierra 18-8926 Raw Water Pump Impeller\u003c\/strong\u003e is a high-quality replacement impeller designed to maintain proper seawater flow in marine cooling systems. This impeller is a critical component responsible for drawing water through the engine to regulate operating temperature and prevent overheating.\u003c\/p\u003e\n\u003cp data-start=\"517\" data-end=\"723\"\u003eManufactured to meet or exceed OEM specifications, this impeller features durable, flexible rubber vanes and a precision-fit hub to ensure reliable performance in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003cp data-start=\"725\" data-end=\"902\"\u003eIdeal for routine maintenance or replacing worn or damaged impellers, the 18-8926 helps restore full cooling system efficiency and protects your engine from heat-related damage.\u003c\/p\u003e\n\u003chr data-start=\"904\" data-end=\"907\"\u003e\n\u003ch2 data-start=\"909\" data-end=\"928\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"912\" data-end=\"928\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"929\" data-end=\"1202\"\u003e\n\u003cli data-start=\"929\" data-end=\"975\"\u003eDirect replacement raw water pump impeller\u003c\/li\u003e\n\u003cli data-start=\"976\" data-end=\"1026\"\u003eFlexible rubber vanes for efficient water flow\u003c\/li\u003e\n\u003cli data-start=\"1027\" data-end=\"1072\"\u003ePrecision-fit hub for secure installation\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1120\"\u003eMaintains proper engine cooling performance\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1165\"\u003eMarine-grade construction for durability\u003c\/li\u003e\n\u003cli data-start=\"1166\" data-end=\"1202\"\u003eSierra limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1204\" data-end=\"1207\"\u003e\n\u003ch2 data-start=\"1209\" data-end=\"1236\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1212\" data-end=\"1236\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1238\" data-end=\"1257\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1257\"\u003eVolvo Penta\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1258\" data-end=\"1357\"\u003e\n\u003cli data-start=\"1258\" data-end=\"1279\"\u003eAQ Series engines\u003c\/li\u003e\n\u003cli data-start=\"1280\" data-end=\"1316\"\u003eSmall block V6 \/ V8 applications\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1357\"\u003eSelect sterndrive and inboard setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1359\" data-end=\"1389\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1363\" data-end=\"1389\"\u003eOMC \/ Cobra \/ Stringer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1390\" data-end=\"1420\"\u003e\n\u003cli data-start=\"1390\" data-end=\"1420\"\u003eGM-based V6 and V8 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1422\" data-end=\"1462\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1426\" data-end=\"1462\"\u003eCrusader \/ PCM \/ Inboard Engines\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1463\" data-end=\"1516\"\u003e\n\u003cli data-start=\"1463\" data-end=\"1516\"\u003e4.3L, 5.0L, 5.7L, 7.4L, 8.1L (verify application)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1518\" data-end=\"1606\"\u003e➡️ Fits engines equipped with compatible engine-mounted or crank-driven raw water pumps.\u003c\/p\u003e\n\u003chr data-start=\"1608\" data-end=\"1611\"\u003e\n\u003ch2 data-start=\"1613\" data-end=\"1650\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1648\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1651\" data-end=\"1670\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-start=\"1671\" data-end=\"1764\"\u003e\n\u003cli data-start=\"1671\" data-end=\"1691\"\u003eExact pump model\u003c\/li\u003e\n\u003cli data-start=\"1692\" data-end=\"1731\"\u003eShaft size and spline configuration\u003c\/li\u003e\n\u003cli data-start=\"1732\" data-end=\"1764\"\u003eEngine manufacturer and year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1766\" data-end=\"1790\"\u003e⚠️ Always confirm using:\u003c\/p\u003e\n\u003cul data-start=\"1791\" data-end=\"1879\"\u003e\n\u003cli data-start=\"1791\" data-end=\"1823\"\u003ePump model or casting number\u003c\/li\u003e\n\u003cli data-start=\"1824\" data-end=\"1879\"\u003eOEM part number match (\u003cstrong data-start=\"1849\" data-end=\"1876\"\u003e18-8926 cross reference\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1881\" data-end=\"1884\"\u003e\n\u003ch2 data-start=\"1886\" data-end=\"1925\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1889\" data-end=\"1925\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1926\" data-end=\"1961\"\u003eReplace the impeller if you notice:\u003c\/p\u003e\n\u003cul data-start=\"1962\" data-end=\"2123\"\u003e\n\u003cli data-start=\"1962\" data-end=\"1990\"\u003eReduced or no water flow\u003c\/li\u003e\n\u003cli data-start=\"1991\" data-end=\"2013\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-start=\"2014\" data-end=\"2062\"\u003eCracked, missing, or hardened impeller vanes\u003c\/li\u003e\n\u003cli data-start=\"2063\" data-end=\"2096\"\u003eReduced cooling at higher RPM\u003c\/li\u003e\n\u003cli data-start=\"2097\" data-end=\"2123\"\u003eAfter seasonal storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2125\" data-end=\"2186\"\u003eRecommended service interval: \u003cstrong data-start=\"2155\" data-end=\"2186\"\u003eevery 100 hours or annually\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2188\" data-end=\"2191\"\u003e\n\u003ch2 data-start=\"2193\" data-end=\"2218\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2196\" data-end=\"2218\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2219\" data-end=\"2430\"\u003e\n\u003cli data-start=\"2219\" data-end=\"2261\"\u003eLubricate impeller before installation\u003c\/li\u003e\n\u003cli data-start=\"2262\" data-end=\"2300\"\u003eInstall with correct vane rotation\u003c\/li\u003e\n\u003cli data-start=\"2301\" data-end=\"2340\"\u003eInspect pump housing and wear plate\u003c\/li\u003e\n\u003cli data-start=\"2341\" data-end=\"2381\"\u003eReplace gasket or O-ring as required\u003c\/li\u003e\n\u003cli data-start=\"2382\" data-end=\"2430\"\u003eCheck for debris from old impeller in system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2432\" data-end=\"2435\"\u003e\n\u003ch2 data-start=\"2437\" data-end=\"2479\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2440\" data-end=\"2479\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2481\" data-end=\"2509\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2485\" data-end=\"2509\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2510\" data-end=\"2567\"\u003e\n\u003cli data-start=\"2510\" data-end=\"2546\"\u003eVolvo Penta: \u003cstrong data-start=\"2525\" data-end=\"2544\"\u003e875583, 3858256\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2547\" data-end=\"2567\"\u003eOMC: \u003cstrong data-start=\"2554\" data-end=\"2565\"\u003e0986397\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2569\" data-end=\"2572\"\u003e\n\u003ch3 data-start=\"2574\" data-end=\"2610\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2578\" data-end=\"2610\"\u003eAftermarket Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2611\" data-end=\"2666\"\u003e\n\u003cli data-start=\"2611\" data-end=\"2640\"\u003eJohnson Pump: \u003cstrong data-start=\"2627\" data-end=\"2638\"\u003e09-812B\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2641\" data-end=\"2666\"\u003eJabsco: \u003cstrong data-start=\"2651\" data-end=\"2664\"\u003e1210-0001\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2668\" data-end=\"2671\"\u003e\n\u003ch2 data-start=\"2673\" data-end=\"2690\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2676\" data-end=\"2688\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2691\" data-end=\"2756\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-start=\"2758\" data-end=\"2761\"\u003e\n\u003ch3 data-start=\"2763\" data-end=\"2790\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2791\" data-end=\"2998\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eImpellers often fail gradually—still moving water at idle but not enough at higher speeds. Replacing yours on schedule helps avoid overheating when you're out on the water and need full engine performance 👍\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564266913828,"sku":"SIE-18-8926","price":99.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/793abb63-bdfc-4a1b-8e2e-1f2e1d760e69.png?v=1774208074","url":"https:\/\/marisolmarine.com\/products\/sierra-raw-water-pump-impeller-sie-18-8926","provider":"Marisol Marine Company","version":"1.0","type":"link"}