{"product_id":"mercury-47-89981t1-outboard-water-impeller-repair-kit-fits-mercury-mariner-4-hp-model-75-when-impeller-id-measures-456","title":"Mercury – Water Pump Repair Kit | Cooling System Service | Complete 7-Piece Kit | 89981T1","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Repair Kit | Cooling System Service | Complete 7-Piece Kit | 89981T1\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 If you spend enough time running a small Mercury or Mariner outboard, you learn just how tough these little engines are. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThey’ll\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e push a boat all day long on very little fuel, and they rarely complain — unless the cooling system starts to lose efficiency. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e usually when you first notice a weak telltale or a slight \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erise in temperature\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Mercury 89981T1 Water Pump Repair Kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egives\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e your engine a fresh start by restoring proper water flow and protecting it from \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e wear caused by silt, sand, and other \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efine\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e debris.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the kind of maintenance that keeps your outboard feeling dependable season after season.\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\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewater pump repair kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for select 8–9.9 HP Mercury and Mariner FourStroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egaskets, o-rings, face plate, drive key, impeller, and water guide tube\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to improve cooling flow and protect vital components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-quality elastomer impeller provides flexibility across broad temperature conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM standards for proper fit and reliable 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\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury and Mariner 8 HP and 9.9 HP FourStroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStandard gearcase applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eTypical uses include:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAluminum fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDinghies and tenders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePortable skiffs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInflatable boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSmall pontoons and utility craft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with Mercury under-cowl cooling systems designed for this pump style\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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 Cooling systems on small outboards take more abuse than most boaters realize. Running in shallow water, sandy rivers, or silt-heavy bays can slowly wear down the impeller and create grooves in the face plate or housing. When that happens, water pressure drops — sometimes so gradually that you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edon’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e notice until performance begins to fade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Mercury 89981T1 kit restores the pump to its proper working condition by replacing every critical wear component. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe new impeller \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehas\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the flexibility needed to maintain smooth flow at any speed, whether \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou're\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e idling through a marina or running full throttle across open water.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFresh gaskets and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eo-rings\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e seal the unit tightly, while the new \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eface plate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ensures a smooth, clean surface \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the vanes can ride \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eagainst\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMany boaters notice a stronger, cleaner telltale stream after installation. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOthers appreciate the peace of mind that comes from knowing their engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis staying\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e cool even during long trolling sessions or extended low-speed maneuvering.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Proper cooling \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edoesn’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e just protect the powerhead — it improves throttle response, reliability, and overall engine life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor small FourStroke motors that often see long service hours, a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efull\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pump rebuild is one of the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmartest\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e maintenance decisions you can make.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM kit uses materials and tolerances that match the original design \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Aftermarket kits may look similar, but their impellers can stiffen quickly or fail to create the pressure the motor demands. With an OEM rebuild, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou’re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e getting the right parts, the correct fit, and the durability Mercury engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for. If \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou’re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e maintaining an outboard you rely on, OEM \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eisn’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a luxury — \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the right call.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury and Mariner 8–9.9 HP FourStroke outboards with a standard gearcase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e included\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Gaskets, o-rings, face plate, impeller, drive key, and water guide tube — everything needed for a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efull\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pump rebuild.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: Will this improve water flow?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Replacing worn components restores pressure and improves cooling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it safe for saltwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. Just flush the motor after each outing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation beginner-friendly?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters can handle the job using basic tools and a service manual.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940097085731,"sku":"47-89981T1","price":46.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/89981T1_Main.jpg?v=1760631298","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-47-89981t1-outboard-water-impeller-repair-kit-fits-mercury-mariner-4-hp-model-75-when-impeller-id-measures-456","provider":"PartsVu","version":"1.0","type":"link"}