{"product_id":"sierra-18-3023-suzuki-engine-impeller","title":"Sierra 18-3023 Raw Water Pump Impeller","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/sierra-marine-engine-and-drive-parts-vector-logo.png?v=1777654573\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"e51hwk\" data-start=\"0\" data-end=\"47\"\u003eSierra 18-3023 Raw Water Pump Impeller\u003c\/h2\u003e\n\u003cp data-start=\"50\" data-end=\"348\"\u003eProtect your engine and maintain proper cooling performance with the Sierra 18-3023 Impeller Kit. Designed as a high-quality replacement for a wide range of marine raw water pump systems, this kit restores water circulation and helps prevent overheating in both inboard and sterndrive applications.\u003c\/p\u003e\n\u003cp data-start=\"350\" data-end=\"715\"\u003eThe raw water impeller is one of the most important service items on any marine engine. Over time, the flexible rubber vanes wear down from heat, debris, and continuous operation, reducing water flow and cooling efficiency. Replacing the impeller at recommended intervals helps protect internal engine components and keeps your boat operating reliably on the water.\u003c\/p\u003e\n\u003cp data-start=\"717\" data-end=\"1014\"\u003eBuilt using durable marine-grade materials, the Sierra 18-3023 is engineered to withstand harsh marine environments while delivering dependable long-term performance. It’s designed as a direct replacement for compatible OEM pump systems, making installation straightforward and maintenance easier.\u003c\/p\u003e\n\u003chr data-start=\"1016\" data-end=\"1019\"\u003e\n\u003ch3 data-section-id=\"lmqikf\" data-start=\"1021\" data-end=\"1049\"\u003eCommon Engine Fitments\u003c\/h3\u003e\n\u003cp data-start=\"1050\" data-end=\"1184\"\u003eThe Sierra 18-3023 impeller kit is commonly used on a variety of MerCruiser, OMC, Crusader, and Volvo Penta marine engines, including:\u003c\/p\u003e\n\u003cul data-start=\"1186\" data-end=\"1436\"\u003e\n\u003cli data-section-id=\"9eyza6\" data-start=\"1186\" data-end=\"1208\"\u003eMerCruiser 4.3L V6\u003c\/li\u003e\n\u003cli data-section-id=\"jlix76\" data-start=\"1209\" data-end=\"1231\"\u003eMerCruiser 5.0L V8\u003c\/li\u003e\n\u003cli data-section-id=\"xlwk5x\" data-start=\"1232\" data-end=\"1254\"\u003eMerCruiser 5.7L V8\u003c\/li\u003e\n\u003cli data-section-id=\"p1hris\" data-start=\"1255\" data-end=\"1277\"\u003eMerCruiser 7.4L V8\u003c\/li\u003e\n\u003cli data-section-id=\"153814o\" data-start=\"1278\" data-end=\"1305\"\u003eOMC Cobra 5.0L and 5.7L\u003c\/li\u003e\n\u003cli data-section-id=\"16dqt7c\" data-start=\"1306\" data-end=\"1346\"\u003eCrusader 350 CID and 454 CID engines\u003c\/li\u003e\n\u003cli data-section-id=\"12qlyob\" data-start=\"1347\" data-end=\"1436\"\u003eVolvo Penta small-block and big-block V8 applications with compatible raw water pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1438\" data-end=\"1490\"\u003eThese engines are frequently found in boats such as:\u003c\/p\u003e\n\u003cul data-start=\"1492\" data-end=\"1706\"\u003e\n\u003cli data-section-id=\"e3pgm0\" data-start=\"1492\" data-end=\"1530\"\u003eSea Ray Sundancer and Sport series\u003c\/li\u003e\n\u003cli data-section-id=\"o2iy28\" data-start=\"1531\" data-end=\"1560\"\u003eFour Winns Horizon models\u003c\/li\u003e\n\u003cli data-section-id=\"17p41j7\" data-start=\"1561\" data-end=\"1599\"\u003eChaparral SSi and Signature series\u003c\/li\u003e\n\u003cli data-section-id=\"1ofb3os\" data-start=\"1600\" data-end=\"1635\"\u003eBayliner Ciera and Capri models\u003c\/li\u003e\n\u003cli data-section-id=\"9oc8ev\" data-start=\"1636\" data-end=\"1669\"\u003eMalibu Response and Sunsetter\u003c\/li\u003e\n\u003cli data-section-id=\"3719z6\" data-start=\"1670\" data-end=\"1706\"\u003eSupra Sunsport and Launch series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1708\" data-end=\"1884\"\u003eFitment can vary depending on the raw water pump manufacturer and engine configuration, so confirming compatibility with part number \u003cstrong data-start=\"1841\" data-end=\"1852\"\u003e18-3023\u003c\/strong\u003e before ordering is recommended.\u003c\/p\u003e\n\u003chr data-start=\"1886\" data-end=\"1889\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1891\" data-end=\"1907\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1908\" data-end=\"2234\"\u003e\n\u003cli data-section-id=\"cjir2b\" data-start=\"1908\" data-end=\"1959\"\u003eHigh-quality marine raw water pump impeller kit\u003c\/li\u003e\n\u003cli data-section-id=\"25oj3f\" data-start=\"1960\" data-end=\"2006\"\u003eRestores proper cooling system performance\u003c\/li\u003e\n\u003cli data-section-id=\"pc10n0\" data-start=\"2007\" data-end=\"2054\"\u003eHelps prevent overheating and engine damage\u003c\/li\u003e\n\u003cli data-section-id=\"18fn4wn\" data-start=\"2055\" data-end=\"2130\"\u003eCompatible with MerCruiser, OMC, Crusader, and Volvo Penta applications\u003c\/li\u003e\n\u003cli data-section-id=\"1wy51t4\" data-start=\"2131\" data-end=\"2178\"\u003eMarine-grade materials built for durability\u003c\/li\u003e\n\u003cli data-section-id=\"1g0fq3l\" data-start=\"2179\" data-end=\"2234\"\u003eDirect replacement for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2236\" data-end=\"2239\"\u003e\n\u003ch3 data-section-id=\"oraizx\" data-start=\"2241\" data-end=\"2283\"\u003eWhy Routine Impeller Service Matters\u003c\/h3\u003e\n\u003cp data-start=\"2284\" data-end=\"2497\"\u003eA worn impeller can reduce cooling efficiency long before it completely fails. Regular replacement helps maintain steady water flow, protects vital engine components, and reduces the risk of unexpected breakdowns.\u003c\/p\u003e\n\u003cp data-start=\"2499\" data-end=\"2691\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you’re servicing a compatible MerCruiser, Volvo Penta, OMC, or Crusader-powered boat, the Sierra 18-3023 impeller kit delivers reliable cooling performance and dependable OEM-style fitment.\u003c\/p\u003e","brand":"Land 'N' Sea","offers":[{"title":"Default Title","offer_id":48745563554049,"sku":"47-3023","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/Screenshot2026-05-06135541_627efd86-ef32-4f42-a318-053237f012c1.png?v=1778090324","url":"https:\/\/inboardpartshq.com\/products\/sierra-18-3023-suzuki-engine-impeller","provider":"Inboard Parts HQ","version":"1.0","type":"link"}