{"product_id":"sierra-18-3203-water-pump-impeller-repair-kit-for-johnson-evinrude-outboards-replaces-oem-379766","title":"Sierra 18-3203 Impeller Repair Kit, Replaces Johnson\/Evinrude 379766","description":"\u003cp\u003eThe Sierra 18-3203 Impeller Repair Kit is a direct replacement kit for Johnson\/Evinrude outboard motors, engineered to restore proper water pump function and cooling flow. This kit is built to meet or exceed the quality of the original equipment part it replaces, giving boat owners a reliable way to service their outboard's water pump without sourcing individual components separately.\u003c\/p\u003e\u003cp\u003eThe kit contains a Sierra 18-3002 impeller (O.E. #375638), the wear item most responsible for water pump failure, in the quantity needed to complete a single repair. Sierra manufactures its parts to stand up to the demands of high-horsepower engines and the harsh marine environment, and supplies OEM engine manufacturers and boat builders with quality parts as part of its regular production. Installing this kit at recommended service intervals helps prevent overheating caused by a worn or cracked impeller.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-3203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces (OEM):\u003c\/strong\u003e 379766\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Impeller 18-3002 (O.E. #375638), Qty 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.16 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 030999315656\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Johnson\/Evinrude outboard motors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eJohnson\/Evinrude outboard motors\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e379766\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-3203 Impeller Repair Kit include?\u003c\/strong\u003e The kit includes one Sierra 18-3002 impeller (O.E. #375638), the single component needed to service the water pump on compatible Johnson\/Evinrude outboard motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part number does the Sierra 18-3203 replace?\u003c\/strong\u003e This kit replaces Johnson\/Evinrude OEM part number 379766.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this kit fit any Johnson or Evinrude outboard?\u003c\/strong\u003e The Sierra 18-3203 is designed for Johnson\/Evinrude outboard motors; buyers should confirm their engine's original part number matches 379766 before ordering, since fit is part-number specific.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-3203 an OEM part or an aftermarket replacement?\u003c\/strong\u003e It is an aftermarket replacement kit manufactured by Sierra, built to meet or exceed the quality of the original 379766 equipment it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the impeller in the 18-3203 kit made from?\u003c\/strong\u003e The impeller included in the Sierra 18-3203 kit is made of metal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-3203 Impeller Repair Kit weigh?\u003c\/strong\u003e The kit weighs 0.16 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the Sierra 18-3203 kit components?\u003c\/strong\u003e The impeller included in the kit measures 0.39 x 0.39 x 0.39 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if I need this impeller kit?\u003c\/strong\u003e A worn, cracked, or hardened impeller reduces water flow and can cause overheating; replacing it with the Sierra 18-3203 kit at recommended service intervals restores proper cooling on compatible Johnson\/Evinrude outboards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Sierra 18-3203 kit include gaskets or housing parts?\u003c\/strong\u003e No, the kit contains only the impeller (Sierra 18-3002, O.E. #375638) needed for the repair; it does not include housing or gasket components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-3203 Impeller Repair Kit?\u003c\/strong\u003e The UPC for the Sierra 18-3203 is 030999315656.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many impellers come in the Sierra 18-3203 kit?\u003c\/strong\u003e The kit contains one impeller, part number 18-3002, in a quantity of 1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Sierra stand behind the 18-3203 kit with a warranty?\u003c\/strong\u003e Yes, the Sierra 18-3203 Impeller Repair Kit is covered by Sierra's limited warranty.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988141191387,"sku":"SIE-18-3203","price":21.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-3203_lg__10149.1558126202.500.750.jpg?v=1785188392","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-3203-water-pump-impeller-repair-kit-for-johnson-evinrude-outboards-replaces-oem-379766","provider":"Good Vibes Marina","version":"1.0","type":"link"}