--- product_id: 530992273 title: "Quicksilver 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon" brand: "quicksilver" price: "107918CFA" currency: XOF in_stock: true category: "Quicksilver" url: https://www.desertcart.sn/products/530992273-quicksilver-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50 store_origin: SN region: Senegal --- # 5-year, 1,000-hour extended life Pre-diluted 50/50 with de-ionized water Silicate & phosphate free, no gelling Quicksilver 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon **Brand:** quicksilver **Price:** 107918CFA **Availability:** ✅ In Stock ## Summary > ❄️ Keep your engine cool and cruising longer—because your boat deserves the best! ## Quick Answers - **What is this?** Quicksilver 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon by quicksilver - **How much does it cost?** 107918CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/530992273-quicksilver-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50) ## Best For - quicksilver enthusiasts ## Why This Product - Trusted quicksilver brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready-to-Use Formula:** Pre-mixed 50/50 with de-ionized water for hassle-free installation—no guesswork, no mess. - • **Advanced Corrosion Defense:** Silicate and phosphate free formula prevents gelling and protects your engine’s internal components for peak performance. - • **Marine-Grade Compatibility:** Specifically engineered for MerCruiser closed cooling sterndrive and inboard gasoline engines, ensuring perfect fit and function. - • **Certified Quality Assurance:** Meets ASTM D-3306 and D-4340 standards, guaranteeing trusted, industry-leading antifreeze protection. - • **Long-Lasting Engine Protection:** Enjoy up to 5 years or 1,000 operating hours of reliable cooling performance without frequent changes. ## Overview Quicksilver 877770Q1 Extended Life Coolant is a pre-diluted 50/50 antifreeze designed for MerCruiser closed cooling sterndrive and inboard gasoline engines. It offers up to 5 years or 1,000 operating hours of protection, is silicate and phosphate free to prevent gelling, and meets rigorous ASTM standards, ensuring premium marine engine performance and longevity. ## Description Extended Life Coolant/Antifreeze 877770Q1 is for use in all MerCruiser closed cooling systems in stern drive and inboard gasoline engine applications. This coolant is pre-diluted to a 50/50 mix with de-ionized water. See your owner's manual or service manual for specific application and instructions. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind. ## Features - For use in all MerCruiser closed cooling sterndrive or inboard gasoline engine applications - Provides 5-year, 1,000 operating hour extended life protection - Silicate and phosphate free - Ethylene glycol based, pre-diluted to 50/50 mix with de-ionized water - Will not cause gelling - Compatible with conventional anti-freeze - Meets ASTM D-3306, ASTM D-4340 requirements ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BO88OY6 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #113,569 in Automotive ( See Top 100 in Automotive ) #150 in Antifreezes & Coolants | | Brand Name | Quicksilver | | Compatible with Vehicle Type | boats with MerCruiser sterndrive or inboard gasoline engines | | Container Type | jug" or "bottle | | Customer Reviews | 4.7 4.7 out of 5 stars (14) | | Flash Point | 118 °C | | Included Components | End Product | | Item Weight | 188 g | | Liquid Volume | 1 gallons | | Manufacturer | Quicksilver | | Manufacturer Part Number | 877770Q1 | | Model Number | 877770Q1 | | Size | Unspecified | | UPC | 745061039551 | | Unit Count | 128 Fluid Ounces | ## Product Details - **Brand:** Quicksilver - **Flash Point:** 118 °C - **Liquid Volume:** 1 gallons - **Package Information:** jug" or "bottle - **Vehicle Service Type:** boats with MerCruiser sterndrive or inboard gasoline engines ## Images ![Quicksilver 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon - Image 1](https://m.media-amazon.com/images/I/81AM+bJCUeL.jpg) ## Frequently Bought Together - Quicksilver 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50 – 1 Gallon - Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/530992273-quicksilver-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50](https://www.desertcart.sn/products/530992273-quicksilver-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-28*