{"product_id":"ghmarine-water-pump-impeller-kit-for-johnson-evinrude-4-8-hp-outboards-includes-housing-389844-18-4529","title":"GHmarine Water Pump Impeller Kit for Johnson\/Evinrude 4-8 HP Outboards — Includes Housing 389844 \u0026 18-4529","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eKeep your Johnson\/Evinrude outboard cooling system running smoothly with the GHmarine 396644 Water Pump Impeller Kit. Designed for a broad range of 4 to 8 horsepower models, this kit provides a complete refresh for the water pump assembly, replacing multiple original parts with a single, cohesive solution. Expect refreshed water flow during operation and steadier performance under load, thanks to a durable impeller and a well-sealed housing that work together to maintain cooling efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s inside\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eImpeller blade and housing compatible with Johnson\/Evinrude engines\u003c\/li\u003e\n  \u003cli\u003eGasket and seals to restore tight, leak-resistant surfaces\u003c\/li\u003e\n  \u003cli\u003eMounting hardware and a complete set for straightforward installation\u003c\/li\u003e\n  \u003cli\u003ePart-number coverage that matches Johnson\/Evinrude 396644, 389844, 765603 and Sierra 18-4529\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eComprehensive kit for water pump maintenance and repair, addressing common wear points\u003c\/li\u003e\n  \u003cli\u003eDesigned to promote efficient cooling circulation, supporting consistent engine operation\u003c\/li\u003e\n  \u003cli\u003eVersatile compatibility across multiple models and years (4HP–8HP range)\u003c\/li\u003e\n  \u003cli\u003eDurable components intended to withstand regular marine use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow this helps on the water\u003c\/h3\u003e\n\u003cp\u003eOn the boat, a well-timed pump refresh can reduce the risk of overheating and unexpected downtime. This GHmarine kit offers a practical option to refresh the system during routine maintenance or field repairs, with parts selected to align with the original design intent for Johnson\/Evinrude 4–8 HP configurations.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrepare the work area, clean mating surfaces, and inspect the housing for wear before reassembly\u003c\/li\u003e\n  \u003cli\u003eFollow the recommended sequence to replace the impeller, gasket, and seals\u003c\/li\u003e\n  \u003cli\u003eTest the pump in a controlled environment before returning the vessel to the water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor boaters seeking dependable cooling system upkeep, this kit provides a complete, ready-to-install option that aligns with common Johnson\/Evinrude 4–8 HP configurations.\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: What engines is this GHmarine Water Pump Impeller Kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for Johnson\/Evinrude 4-8 HP outboards, including 4HP–8HP models; includes impeller, housing, gasket, and seals for straightforward maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit replace original part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it replaces Johnson Evinrude parts including 396644, 389844, 765603, and Sierra 18-4529 for broad compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GHmarine","offers":[{"title":"Default Title","offer_id":42470058066005,"sku":"B0D7PWHQV4","price":50.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ghmarine-water-pump-impeller-kit-johnson-evinrude-4-8hp.jpg?v=1778117283","url":"https:\/\/plentytorque.co.uk\/products\/ghmarine-water-pump-impeller-kit-for-johnson-evinrude-4-8-hp-outboards-includes-housing-389844-18-4529","provider":"PlentyTorque","version":"1.0","type":"link"}