{"product_id":"water-pump-impeller-for-mercury-yamaha-outboards-replaces-47-81423m-6h3-44352-00-00-sierra-18-3069","title":"Sierra International Impeller 18-3069 for Yamaha 2-Stroke Outboard Water Pumps, Replaces 697-44352-00-00","description":"\u003cp\u003eThe Sierra International Impeller, part number 18-3069, is a replacement water pump impeller engineered for Yamaha 2-stroke outboard engines. This impeller is the core wear component inside the outboard's water pump housing, driving raw water through the cooling system to keep the powerhead running at safe operating temperatures. As a wear item, the impeller should be inspected regularly and replaced at the interval recommended for the engine, since a cracked, glazed, or missing vane can quickly lead to overheating and engine damage.\u003c\/p\u003e\u003cp\u003eThis impeller is sold as an individual replacement part and is commonly installed alongside the matching water pump case gasket, wear plate, and impeller key during a full water pump service. It directly replaces the OEM Yamaha impeller listed below, so it installs using the same water pump housing and hardware as the original part.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra International\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-3069\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Yamaha Outboard Water Pumps \u0026amp; Impellers, 2 Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 030999315212\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.02 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eYamaha 2-stroke outboard engines\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e697-44352-00-00\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-3069 impeller fit?\u003c\/strong\u003e The 18-3069 impeller is designed for Yamaha 2-stroke outboard engines as part of the water pump assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part number does 18-3069 replace?\u003c\/strong\u003e Sierra impeller 18-3069 replaces Yamaha OEM part number 697-44352-00-00.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-3069 impeller weigh?\u003c\/strong\u003e This impeller weighs 0.02 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Yamaha part or an aftermarket replacement?\u003c\/strong\u003e The 18-3069 is a Sierra International aftermarket impeller manufactured to replace the equivalent Yamaha OEM impeller, part number 697-44352-00-00.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order part 18-3069?\u003c\/strong\u003e Ordering 18-3069 gets you a single Sierra International water pump impeller; the matching case gasket, wear plate, and impeller key are sold separately as individual parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know when the impeller needs to be replaced?\u003c\/strong\u003e Signs that impeller 18-3069 needs replacement include reduced or no water flow from the tell-tale, engine overheating, or visible cracking, glazing, or missing vanes on the old impeller when the water pump housing is opened.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-3069 impeller come with the pump housing or gasket?\u003c\/strong\u003e No, 18-3069 is the impeller only; it does not include the water pump case, gasket, wear plate, or key, which are separate part numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use this impeller on a 4-stroke Yamaha outboard?\u003c\/strong\u003e The 18-3069 impeller is listed for Yamaha 2-stroke outboard water pumps; fitment on 4-stroke models is not confirmed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat UPC is associated with the Sierra 18-3069 impeller?\u003c\/strong\u003e The UPC for the Sierra International 18-3069 impeller is 030999315212.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this impeller fit other outboard brands besides Yamaha?\u003c\/strong\u003e The 18-3069 impeller is categorized specifically for Yamaha outboard water pumps and is not listed for other outboard brands.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988138569947,"sku":"SIE-18-3069","price":29.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-3069_lg__41869.1558124840.500.750.jpg?v=1785188081","url":"https:\/\/www.goodvibesmarina.com\/products\/water-pump-impeller-for-mercury-yamaha-outboards-replaces-47-81423m-6h3-44352-00-00-sierra-18-3069","provider":"Good Vibes Marina","version":"1.0","type":"link"}