{"product_id":"ghmarine-394711-water-pump-impeller-kit-for-johnson","title":"GHmarine Water Pump Impeller Kit for Johnson \/ Evinrude 8–15HP Outboards — Neoprene Impeller \u0026 Housing (1974+)","description":"\u003cp\u003e\u003cstrong\u003eGHmarine 394711 is a complete water pump impeller repair kit designed to restore cooling flow on Johnson\/Evinrude 8–15HP outboards from 1974 and up.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your small outboard is showing signs of reduced cooling, overheating, or low water flow, this GHmarine kit supplies the replacement parts most commonly required to rebuild the raw-water pump. The kit matches many OEM and aftermarket part numbers, includes the neoprene impeller and housing components, and supports both 2-stroke and 4-stroke Johnson\/Evinrude engines in the 8–15HP range. It’s intended for routine maintenance or emergency field repairs to bring the engine’s cooling system back to operating condition.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engine models and part numbers does this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit was made to cover a broad range of Johnson and Evinrude small outboards. It cross-references multiple OEM numbers so you can replace worn pump components without hunting for exact original parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Johnson\/Evinrude 9.9HP and 15HP models (2-stroke and 4-stroke).\u003c\/li\u003e\n  \u003cli\u003eReplaces common numbers including 0394711, 18-3327, Mallory 9-48201, GLM 12050 and others.\u003c\/li\u003e\n  \u003cli\u003eAlso fits several legacy part numbers listed for older OMC applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and what materials are used?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies all the parts needed to rebuild the impeller assembly so you don’t need multiple purchases. Parts are chosen for durability and typical service-life performance in salt and freshwater conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNeoprene impeller designed for flexibility and reliable vane recovery.\u003c\/li\u003e\n  \u003cli\u003ePump housing, wear plate, pump cup, and O-ring to reseal the unit.\u003c\/li\u003e\n  \u003cli\u003eImpeller key, installation bolts, water seal and grommet included for a complete rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I check during replacement?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic hand tools and small-engine maintenance. Take care to inspect mating surfaces and the drive key, and replace any additional worn hardware to ensure a leak-free fit and correct impeller orientation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove the lower unit or pump cover per your service manual to access the impeller.\u003c\/li\u003e\n  \u003cli\u003eCheck shaft and keyway for wear; clean mating surfaces before assembly.\u003c\/li\u003e\n  \u003cli\u003eUse supplied bolts, seal, and O-ring; torque to specifications and verify water flow after reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should you replace the impeller and related pump parts?\u003c\/h3\u003e\n\u003cp\u003eReplace the impeller and wear components as part of routine seasonal service or when you notice decreased cooling or visible damage. Waiting can risk engine overheating and more expensive repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace every season or every 100 operating hours for frequent boaters.\u003c\/li\u003e\n  \u003cli\u003eInspect for torn vanes, hardening, or chunks missing from the neoprene impeller.\u003c\/li\u003e\n  \u003cli\u003eReplace if you detect reduced water discharge from the telltale or overheating signs during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GHmarine 394711 kit is intended for boat owners, marine technicians, and DIYers maintaining Johnson\/Evinrude 8–15HP outboards. It’s a practical choice for anyone restoring an older OMC pump or stocking a repair kit for field repairs, delivering the common replacement pieces needed to restore pump function quickly and affordably. If you’re unsure about fitment, contact the seller with your engine model and serial for confirmation before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this GHmarine kit fit my Johnson 15HP outboard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most Johnson\/Evinrude 9.9–15HP models from 1974-up are supported. Confirm fit by matching your engine part number or contact the seller with your model and serial.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include the impeller and all seals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes the neoprene impeller, housing, wear plate, pump cup, O-ring, water seal, key and bolts for a full rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GHmarine","offers":[{"title":"Default Title","offer_id":48021017788577,"sku":"B07GBNJ6GB","price":69.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/ghmarine-impeller-kit-front-packaging.jpg?v=1791305369","url":"https:\/\/canadiansporting.ca\/products\/ghmarine-394711-water-pump-impeller-kit-for-johnson","provider":"Canadian Sporting","version":"1.0","type":"link"}