--- product_id: 530992273 title: "877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon" brand: "quicksilver" price: "2634226₫" currency: VND in_stock: true reviews_count: 1 category: "Quicksilver" url: https://www.desertcart.vn/products/530992273-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50-50 store_origin: VN region: Vietnam --- # 5-year extended life protection Specifically for MerCruiser sterndrive/inboard engines Pre-diluted 50/50 ethylene glycol mix 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon **Brand:** quicksilver **Price:** 2634226₫ **Availability:** ✅ In Stock ## Summary > ❄️ Stay Cool, Stay Ahead: The Ultimate Marine Engine Lifesaver ## Quick Answers - **What is this?** 877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon by quicksilver - **How much does it cost?** 2634226₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/530992273-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50-50) ## 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 instant, hassle-free application. - • **Clean & Safe Chemistry:** Silicate and phosphate free to prevent gelling and corrosion, ensuring peak engine health. - • **Long-Lasting Engine Shield:** Enjoy up to 5 years or 1,000 hours of worry-free cooling performance. - • **Marine-Grade Compatibility:** Engineered exclusively for MerCruiser closed cooling systems to maximize reliability. - • **Certified Quality Assurance:** Meets ASTM D-3306 and D-4340 standards for trusted, industry-leading antifreeze protection. ## Overview Quicksilver 877770Q1 Extended Life Coolant is a premium, pre-diluted 50/50 antifreeze designed specifically for MerCruiser sterndrive and inboard gasoline engines. Offering up to 5 years or 1,000 operating hours of protection, it features a silicate and phosphate-free formula that prevents gelling and corrosion. Meeting rigorous ASTM standards, this coolant ensures reliable, long-lasting engine performance in marine environments. ## 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 | #75,893 in Automotive ( See Top 100 in Automotive ) #121 in Antifreezes & Coolants | | Brand | Quicksilver | | Brand Name | Quicksilver | | Compatible with Vehicle Type | boats with MerCruiser sterndrive or inboard gasoline engines | | Container Type | jug" or "bottle | | Customer Reviews | 4.7 out of 5 stars 13 Reviews | | Flash Point | 118 Degrees Celsius | | Included Components | End Product | | Item Weight | 188 Grams | | Liquid Volume | 1 Gallons | | Manufacturer | Quicksilver | | Manufacturer Part Number | 877770Q1 | | Model Number | 877770Q1 | | Package Information | jug" or "bottle | | Size | Unspecified | | UPC | 745061039551 | | Unit Count | 128.0 Fluid Ounces | | Vehicle Service Type | boats with MerCruiser sterndrive or inboard gasoline engines | ## Product Details - **Brand:** Quicksilver - **Flash Point:** 118 Degrees Celsius - **Liquid Volume:** 1 Gallons - **Package Information:** jug" or "bottle - **Vehicle Service Type:** boats with MerCruiser sterndrive or inboard gasoline engines ## Images ![877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon - Image 1](https://m.media-amazon.com/images/I/81AM+bJCUeL.jpg) ![877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon - Image 2](https://m.media-amazon.com/images/I/81oUgVstPzL.jpg) ![877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon - Image 3](https://m.media-amazon.com/images/I/81V542-PDzL.jpg) ![877770Q1 Extended Life Coolant Anti-Freeze, Pre-Diluted 50/50, 1 Gallon - Image 4](https://m.media-amazon.com/images/I/81t1JD46kML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Review *by A***R on November 21, 2024* ## 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.vn/products/530992273-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50-50](https://www.desertcart.vn/products/530992273-877770q1-extended-life-coolant-anti-freeze-pre-diluted-50-50) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-14*