{"product_id":"yamaha-impeller-6h4-44352-02-00","title":"Yamaha - Impeller - 6H4-44352-02-00","description":"\u003ch2 data-section-id=\"1kcnvec\" data-start=\"0\" data-end=\"76\"\u003eYamaha - Water Pump Impeller - Cooling System Component - 6H4-44352-02-00\u003c\/h2\u003e\n\u003chr data-start=\"78\" data-end=\"81\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"83\" data-end=\"94\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"95\" data-end=\"466\"\u003eThe impeller is one of those parts I tell people not to push their luck with. I’ve seen engines run fine one day and overheat the next just because an old impeller finally gave out. It’s the heart of your cooling system, constantly moving water every time the motor is running. Staying ahead of it with a fresh one is just part of owning a Yamaha and keeping it reliable.\u003c\/p\u003e\n\u003chr data-start=\"468\" data-end=\"471\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"473\" data-end=\"488\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"489\" data-end=\"956\"\u003e\n\u003cli data-section-id=\"ngzn1v\" data-start=\"489\" data-end=\"589\"\u003ePrimary Water Pump Driver – Circulates cooling water through the engine to regulate temperature.\u003c\/li\u003e\n\u003cli data-section-id=\"11xp64a\" data-start=\"590\" data-end=\"677\"\u003eFlexible Blade Design – Allows consistent water flow even at varying engine speeds.\u003c\/li\u003e\n\u003cli data-section-id=\"h4xs0s\" data-start=\"678\" data-end=\"769\"\u003eOEM-Spec Fitment – Built to Yamaha standards for proper fit and pump housing alignment.\u003c\/li\u003e\n\u003cli data-section-id=\"4uf953\" data-start=\"770\" data-end=\"865\"\u003eHeat-Resistant Material – Designed to handle constant rotation and exposure to engine heat.\u003c\/li\u003e\n\u003cli data-section-id=\"t58iue\" data-start=\"866\" data-end=\"956\"\u003ePreventative Maintenance Essential – Helps avoid overheating and costly engine damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"958\" data-end=\"961\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"963\" data-end=\"993\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"994\" data-end=\"1250\"\u003eDesigned for Yamaha outboards with compatible water pump systems. Commonly used across a range of small to mid-size engines found on fishing boats, skiffs, and recreational vessels. Always verify compatibility with your specific engine before installation.\u003c\/p\u003e\n\u003chr data-start=\"1252\" data-end=\"1255\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1257\" data-end=\"1263\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1265\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1265\" data-end=\"1314\"\u003eQ: What are signs a worn impeller is failing?\u003c\/strong\u003e\u003cbr data-start=\"1314\" data-end=\"1317\"\u003eA: Weak or no telltale stream, overheating alarms, or rising engine temperature are common signs.\u003c\/p\u003e\n\u003cp data-start=\"1416\" data-end=\"1562\"\u003e\u003cstrong data-start=\"1416\" data-end=\"1462\"\u003eQ: How often should I replace my impeller?\u003c\/strong\u003e\u003cbr data-start=\"1462\" data-end=\"1465\"\u003eA: Most boaters replace it every 1–2 seasons, especially with regular use or saltwater operation.\u003c\/p\u003e\n\u003cp data-start=\"1564\" data-end=\"1688\"\u003e\u003cstrong data-start=\"1564\" data-end=\"1612\"\u003eQ: Can I run the engine with a bad impeller?\u003c\/strong\u003e\u003cbr data-start=\"1612\" data-end=\"1615\"\u003eA: It’s risky—without proper water flow, the engine can overheat quickly.\u003c\/p\u003e\n\u003cp data-start=\"1690\" data-end=\"1817\"\u003e\u003cstrong data-start=\"1690\" data-end=\"1737\"\u003eQ: Does sitting unused damage the impeller?\u003c\/strong\u003e\u003cbr data-start=\"1737\" data-end=\"1740\"\u003eA: Yes, the blades can stiffen or take a set over time, reducing performance.\u003c\/p\u003e\n\u003cp data-start=\"1819\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1819\" data-end=\"1872\"\u003eQ: Should I replace other parts at the same time?\u003c\/strong\u003e\u003cbr data-start=\"1872\" data-end=\"1875\"\u003eA: It’s a good idea to inspect or replace the full water pump kit while you’re in there.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46937065062691,"sku":"6H4-44352-02-00","price":30.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/6H4-44352-02-00_2.jpg?v=1747163312","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-impeller-6h4-44352-02-00","provider":"PartsVu","version":"1.0","type":"link"}