{"product_id":"47803748-mercury-mercruiser-impeller-genuine-quicksilver-oem-part","title":"47803748 Mercury MerCruiser Impeller | Genuine Quicksilver OEM Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver Water Pump Impeller - Part Number: 47-803748\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver\/Mercury water pump impeller for selected Mercury and Mariner small outboard lower-unit water pump assemblies. This OEM impeller is used on compatible 8HP-20HP 2-cylinder 4-stroke and international outboard applications, and has been superseded to the later 8M0214944 service reference.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver\/Mercury OEM water pump impeller\n\u003c\/p\u003e\n\u003cp\u003e\n • Designed for selected Mercury \/ Mariner 8HP-20HP small outboard applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on compatible 2-cylinder 4-stroke, SeaPro and international outboards\n\u003c\/p\u003e\n\u003cp\u003e\n • Helps restore correct cooling-water pressure and tell-tale flow\n\u003c\/p\u003e\n\u003cp\u003e\n • Superseded through 8M0135803 to the later 8M0214944 service reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-8M0214944 → Supersedes 47-8M0135803\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-8M0135803 → Supersedes 47-803748\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-803748 earlier OEM reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-803748\n\u003c\/p\u003e\n\u003cp\u003e\n • 803748\n\u003c\/p\u003e\n\u003cp\u003e\n • 47803748\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-8M0135803\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0135803\n\u003c\/p\u003e\n\u003cp\u003e\n • 478M0135803\n\u003c\/p\u003e\n\u003cp\u003e\n • 47-8M0214944\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0214944\n\u003c\/p\u003e\n\u003cp\u003e\n • 334-65021-0 related Tohatsu reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-8921\n\u003c\/p\u003e\n\u003cp\u003e\n • REC: REC47-803748\n\u003c\/p\u003e\n\u003cp\u003e\n • Jabsco \/ aftermarket small-outboard equivalent references where matched by pump dimensions\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner 8HP-20HP small outboard lower-unit water pump assemblies\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner 2-cylinder 4-stroke and SeaPro cooling systems\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner international 9.9HP, 15HP and 18HP applications using 803748-series impeller\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 8HP 4-Stroke 209cc, serial 0P325500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 8HP 4-Stroke 209cc, serial 0R042475 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP 2-Cylinder International, serial 0N059858 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP 4-Stroke 209cc, serial 0P325500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP 4-Stroke 209cc, serial 0R042475 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 10HP Carb 2-Cylinder 4-Stroke, serial 0R575531 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP 2-Cylinder International, serial range 0N001590 - 0N055284\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP 2-Cylinder International, serial 0N055285 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP Carb 2-Cylinder 4-Stroke, serial 0R235949 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP Carb 2-Cylinder 4-Stroke JCI, serial 0R558208 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP SeaPro 4-Stroke, serial range 0R051685 - 0R123564\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 15HP SeaPro 4-Stroke, serial 0R123565 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 18HP 2-Cylinder International, serial range 0N001590 - 0N055284\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 18HP 2-Cylinder International, serial 0N055285 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 20HP Carb 2-Cylinder 4-Stroke, serial 0R235168 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 8HP Command Thrust applications using 47-803748 \/ 8M0135803 style impeller\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP Command Thrust applications using 47-803748 \/ 8M0135803 style impeller\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP-15HP Super International applications using the 803748-series impeller\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 9.9HP-20HP EFI FourStroke applications using 47-8M0135803 \/ 47-8M0214944 replacement reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: 8HP - 20HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Mercury \/ Mariner small outboard lower-unit water pump system\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Application dependent; includes listed 0N, 0P and 0R serial-range applications plus later EFI FourStroke service replacement references\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The impeller rotates inside the lower-unit pump housing to draw water through the gearcase and deliver it into the engine cooling system. A correctly fitted impeller helps maintain water pressure, prevents overheating and protects the engine during idle, acceleration and extended running.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Weak or inconsistent tell-tale water stream\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine overheating warning\n\u003c\/p\u003e\n\u003cp\u003e\n • Reduced cooling-water pressure\n\u003c\/p\u003e\n\u003cp\u003e\n • Overheating at idle or low speed\n\u003c\/p\u003e\n\u003cp\u003e\n • Cracked, stiff or damaged impeller vanes\n\u003c\/p\u003e\n\u003cp\u003e\n • Rubber fragments in the cooling system\n\u003c\/p\u003e\n\u003cp\u003e\n • Pump not priming properly after service or storage\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":53388114755876,"sku":"745061610712","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_746bd6d4-de08-46d6-bbd0-2b1b91c826a4.jpg?v=1777211058","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/47803748-mercury-mercruiser-impeller-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}