{"product_id":"sierra-18-3689-water-pump-kit-for-mercury-outboards","title":"Sierra Water Pump Kit 18-3689 for Mercury Outboard Engines","description":"\u003cp\u003eThe Sierra Water Pump Kit 18-3689 is a complete water pump repair kit built for Mercury outboard engines. It is designed to restore proper cooling system performance where the factory water pump has worn out, providing the components needed to bring raw water cooling flow back to specification. As a single-count kit, it includes the water pump components required for one complete pump service, making it a straightforward option for routine maintenance or repair work on Mercury outboard cooling systems.\u003c\/p\u003e\u003cp\u003eCooling system failure is one of the most common causes of overheating and engine damage in outboard motors, and the water pump is a wear item that should be inspected and serviced on a regular maintenance schedule. This kit is offered under Sierra's Classic product style and is backed by a 90 day manufacturer warranty, giving buyers confidence in fit and function for the specified application.\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 18-3689\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Mercury Outboard Water Pumps and Impellers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Water Pump Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1.0 Count\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Style:\u003c\/strong\u003e Classic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.3 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282386207\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 90 days\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-3689 water pump kit used for?\u003c\/strong\u003e Sierra part 18-3689 is a water pump kit used to service the raw water cooling pump on Mercury outboard engines, restoring proper cooling flow when the original pump wears out.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many water pumps does this kit service?\u003c\/strong\u003e The 18-3689 kit is packaged as a single count item, containing the components needed for one complete water pump service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-3689 water pump kit weigh?\u003c\/strong\u003e This kit weighs 2.3 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-3689 a genuine Sierra part?\u003c\/strong\u003e Yes, part number 18-3689 is manufactured by Sierra and sold under the Sierra brand as part of its Classic product style.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat warranty comes with the 18-3689 water pump kit?\u003c\/strong\u003e Sierra backs the 18-3689 water pump kit with a 90 day manufacturer warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat engines is the 18-3689 water pump kit designed for?\u003c\/strong\u003e The 18-3689 kit falls under Sierra's Mercury outboard water pumps and impellers category, and is designed for servicing the cooling pump on Mercury outboard engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-3689 kit?\u003c\/strong\u003e The UPC for the Sierra Water Pump Kit 18-3689 is 808282386207.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-3689 kit include the impeller?\u003c\/strong\u003e The 18-3689 is sold as a complete water pump kit, with the included components listed as the water pump kit itself, containing what is needed for a single pump service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy would I need to replace my outboard's water pump kit?\u003c\/strong\u003e Water pump components wear out over time and can cause reduced cooling flow or overheating, which is why Sierra offers the 18-3689 kit for periodic replacement on Mercury outboard engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs 18-3689 an OEM part number or an aftermarket replacement number?\u003c\/strong\u003e 18-3689 is Sierra's own manufacturer part number for this water pump kit, sold as a Sierra branded product rather than as an OEM Mercury part.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988161704155,"sku":"SIE-18-3689","price":132.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-3689__62036.1739477161.500.750.jpg?v=1785189167","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-3689-water-pump-kit-for-mercury-outboards","provider":"Good Vibes Marina","version":"1.0","type":"link"}