{"product_id":"quicksilver-877770q1-extended-life-coolant","title":"Quicksilver 877770Q1 Extended Life Coolant 50\/50, 1 Gallon","description":"\u003ch2\u003eQuicksilver 877770Q1 Extended Life Coolant 50\/50\u003c\/h2\u003e\n\u003cp\u003eQuicksilver 877770Q1 is a ready-to-use, one-gallon extended-life coolant and antifreeze for MerCruiser gasoline engines with closed-cooling systems. The ethylene-glycol formula is pre-diluted 50\/50 with de-ionized water—do not add water.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFive-year or 1,000-operating-hour extended-life protection\u003c\/li\u003e\n\u003cli\u003eReady-to-use 50\/50 mixture with de-ionized water\u003c\/li\u003e\n\u003cli\u003eSilicate- and phosphate-free formula helps prevent gelling\u003c\/li\u003e\n\u003cli\u003eProtects cooling-system metals, including aluminum\u003c\/li\u003e\n\u003cli\u003eCompatible with conventional antifreeze; mixing reduces extended-life benefits\u003c\/li\u003e\n\u003cli\u003eDEX-COOL compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication \u0026amp; Product Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Quicksilver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 877770Q1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Extended-Life Engine Coolant\/Antifreeze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e MerCruiser MCM\/MIE gasoline engines with closed-cooling systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer Size:\u003c\/strong\u003e 1 US gallon (3.78 L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixture:\u003c\/strong\u003e 50% ethylene glycol \/ 50% de-ionized water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze Protection:\u003c\/strong\u003e Down to -34°F (-36°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiling Protection:\u003c\/strong\u003e Up to 265°F (130°C) with a 15-psi pressure cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Life:\u003c\/strong\u003e Up to 5 years or 1,000 operating hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ASTM D3306 and ASTM D4340\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBittering Agent:\u003c\/strong\u003e 10 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 745061039551\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-diluted and ready to use—do not add water.\u003c\/li\u003e\n\u003cli\u003eFollow the engine owner’s manual or service manual for coolant-change procedures and capacity.\u003c\/li\u003e\n\u003cli\u003eAllow the engine to cool completely before opening the cooling system.\u003c\/li\u003e\n\u003cli\u003eKeep away from children and animals. Ethylene-glycol coolant is harmful if swallowed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCalifornia Proposition 65\u003c\/h3\u003e\n\u003cp\u003eThis product carries a California Proposition 65 warning. See \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener noreferrer\"\u003eP65Warnings.ca.gov\u003c\/a\u003e for more information.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo I need to add water?\u003c\/strong\u003e No. This is a ready-to-use 50\/50 mixture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat engines is it for?\u003c\/strong\u003e MerCruiser MCM\/MIE gasoline engines equipped with closed-cooling systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long does it last?\u003c\/strong\u003e Up to five years or 1,000 operating hours when used and maintained as directed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it mix with conventional antifreeze?\u003c\/strong\u003e Yes, but mixing reduces the extended-life benefit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed help confirming the correct coolant?\u003c\/strong\u003e Contact our parts team: \u003ca href=\"https:\/\/wakeboss.com\/pages\/ask-a-parts-pro\"\u003eAsk a Parts Pro\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":48703536955624,"sku":"877770Q1","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9927\/6776\/files\/877770Q1-1.jpg?v=1790174453","url":"https:\/\/wakeboss.com\/products\/quicksilver-877770q1-extended-life-coolant","provider":"Wakeboss","version":"1.0","type":"link"}