{"product_id":"mercury-impeller-47-803631t","title":"Mercury – Water Pump Impeller | Cooling System Component | Fiberglass-Reinforced Insert | 89984T3","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Impeller | Cooling System Component | Fiberglass-Reinforced Insert | 89984T3\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Keeping an engine cool is one of those things you never think about until it stops working the way it should. Whether you’re running an older \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esterndrive\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, a classic Mercury outboard, or a dependable Mariner setup, steady water flow is what keeps you moving without worry.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Quicksilver 89984T3 Water Pump Impeller \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebrings\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e that confidence \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eback\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s the kind of part you install once and immediately feel better about, knowing your cooling system has fresh, flexible vanes and a solid, bonded hub to keep the water moving exactly the way the engine needs it to.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eOEM \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewater pump impeller\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for select \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esterndrive\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and outboard applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-flexibility elastomer vanes maintain strong flow across hot and cold conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFiberglass-reinforced center insert bonded to the vanes for improved durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for corrosion resistance in freshwater and saltwater environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to Mercury Marine specifications for proper fit and cooling performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Because the 89984T3 is used across multiple systems, owners should confirm compatibility with their specific engine model. Typical applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSelect \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury and Mariner outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eVarious \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esterndrive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e platforms using this impeller size\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngines requiring a fiberglass-reinforced, bonded-insert impeller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eClassic runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAluminum fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eOlder cruisers and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estern-drive\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e family boats\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUtility workboats and multi-purpose rigs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e(As always, checking your owner’s manual or service guide ensures the perfect match.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A water pump impeller isn’t glamorous, but it’s one of the most \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eimportant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e parts of your engine’s health. Over time, the vanes dry out, stiffen, or crack especially after long off-season storage. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEven slight wear can lead to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e water flow, which eventually \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eshows up\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e as warmer running temperatures or a weak telltale stream.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe 89984T3 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esolve that\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts elastomer vanes \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estay\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e flexible through cold morning starts and summer heat, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich means\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e they \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estay\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etight\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e against the housing and push a full, steady volume of cooling water.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fiberglass-reinforced center insert \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis bonded\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to the vanes for a reason: it prevents slip, tearing, or hub separation under load, a common failure point with cheaper aftermarket versions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBoaters often notice the difference right away — smoother idle, more predictable temperature readings, and a stronger, more confident water stream. For st\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eerndrive e\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003engines, proper cooling also protects the exhaust components and reduces long-term thermal stress. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor outboards, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e means easier starts, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebetter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e efficiency, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eless\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e strain on the powerhead.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you fish shallow rivers, run saltwater bays, or cruise inland lakes, this impeller provides the foundation for reliable cooling you can trust every trip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Mercury’s cooling systems are designed around \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003every specific\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e material stiffness, vane spacing, and bonding strength. Aftermarket impellers may “fit,” but they rarely match the durability and precise flow rate of an OEM component. The 89984T3 gives you Mercury’s engineered reliability — the same feel, performance, and fit the factory intended. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor any engine you want to keep running for years, OEM \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimply\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e makes more sense.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 89984T3 impeller fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select Mercury and Mariner outboards, as well as MerCruiser st\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eerndrive m\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eodels that use this impeller type. Always verify with your manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this impeller better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fiberglass-reinforced bonded insert and OEM elastomer material offer longer life, proper stiffness, and stronger water flow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine’s model and year to the cooling system diagram or check your owner’s manual for the correct part number.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it’s built with corrosion-resistant materials. Just flush after saltwater use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boat owners with basic tools and a service manual can install it in under an hour.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940099412259,"sku":"47-803631T","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV610363.jpg?v=1720533737","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-impeller-47-803631t","provider":"PartsVu","version":"1.0","type":"link"}