{"product_id":"merc-536","title":"Mercury MerCruiser Quicksilver Cooling-Water Flush Plug 803592","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eMercury MerCruiser Quicksilver 19-803592 is the legacy cooling-water flush plug used in the driveshaft housing on specified Mercury and Mariner outboards. The plug closes the flushing access identified in the housing diagram.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLegacy OEM flush-plug reference: 19-803592.\u003c\/li\u003e\n\u003cli\u003eDriveshaft-housing cooling-water access location.\u003c\/li\u003e\n\u003cli\u003eSuperseding Mercury reference: 19-879194296.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cp\u003eVerified application includes Mercury 4HP FourStroke, serial numbers 0R000001–0R067089, in the driveshaft-housing diagram. The plug is also cataloged in specified Mercury 3.5HP FourStroke housing assemblies. Confirm the exact engine serial number and plug location.\u003c\/p\u003e\u003ch2\u003eReplacement and Installation\u003c\/h2\u003e\u003cp\u003eInspect the plug threads, head and sealing face if the flushing connection leaks or the plug is damaged. Check the separate gasket identified in the engine diagram and follow the owner’s manual for flushing and plug installation.\u003c\/p\u003e\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\u003cp\u003eThe plug and its gasket are separate diagram entries. Match both references when servicing a leaking flushing port.\u003c\/p\u003e\u003ch2\u003eManufacturer Parts Lookup\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.mercurymarine.com\/us\/en\/parts-finder\"\u003eUse Mercury’s official parts finder\u003c\/a\u003e to check the part against your engine or drive serial number.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563872452644,"sku":"803592","price":2.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/mercury-brand-placeholder-user-provided_7a2ae475-e188-433d-b495-95cd5957e2a7.jpg?v=1791244469","url":"https:\/\/marisolmarine.com\/products\/merc-536","provider":"Marisol Marine Company","version":"1.0","type":"link"}