{"product_id":"valvoline-zerex-dex-cool-50-50-antifreeze-coolant-1-gal-orange-oat-oem-approved","title":"Valvoline Zerex Dex-Cool 50\/50 Antifreeze\/Coolant 1 Gal — Orange OAT, OEM-Approved","description":"\u003cp\u003e\u003cstrong\u003eValvoline Zerex Dex-Cool 50\/50 Ready-to-Use Antifreeze\/Coolant is a pre-mixed orange OAT formula that protects modern engines from freezing, boiling, corrosion and deposits.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eZerex Dex-Cool by Valvoline is an OEM-approved, ready-to-use coolant designed for passenger cars and light trucks that require an orange, Organic Acid Technology (OAT) antifreeze. Formulated with a patented carboxylate solution and free of silicates, phosphates, amines, borates, nitrates, and nitrites, this 1-gallon bottle delivers long-lasting protection for aluminum and other cooling system metals without additional mixing. It’s batch-tested in labs and proven in fleets, making it a trusted choice for owners topping off radiators or performing full system flushes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Zerex Dex-Cool protect my engine in extreme temperatures?\u003c\/h3\u003e\n\u003cp\u003eZerex Dex-Cool comes premixed at a 50\/50 ratio to give immediate freeze and boil protection suitable for most climates. It’s engineered to lower freeze point and raise boil-over resistance while maintaining flow and heat transfer through the system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReady-to-use 50\/50 mixture protects down to -34°F and up to 265°F with a 15 psi cap equivalence.\u003c\/li\u003e\n  \u003cli\u003eOrganic Acid Technology helps prevent deposits that can reduce heat transfer.\u003c\/li\u003e\n  \u003cli\u003eMaintains proper coolant flow to reduce hot spots and protect seals and gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this coolant prevent corrosion and extend component life?\u003c\/h3\u003e\n\u003cp\u003eYes — its patented carboxylate formula is formulated to resist rust, scale, and corrosion on all cooling system metals, including aluminum. That protection helps radiators, water pumps and other components remain clean and functional over long service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOAT inhibitors protect against electrochemical corrosion without silicates or phosphates.\u003c\/li\u003e\n  \u003cli\u003eSuitable for mixed-metal systems commonly found in modern vehicles.\u003c\/li\u003e\n  \u003cli\u003eBatch-tested additives help minimize deposits that shorten component life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Zerex Dex-Cool compatible with my vehicle and seals?\u003c\/h3\u003e\n\u003cp\u003eZerex Dex-Cool is OEM-approved for GM, Ford, Chrysler and Saab vehicles that specify an orange OAT coolant. The formula is designed to be gentle on hoses, gaskets, plastics and vehicle finishes when used as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApproved for systems requiring orange OAT coolant; check your owner’s manual for compatibility.\u003c\/li\u003e\n  \u003cli\u003eContains high-quality additives that won’t degrade rubber seals or plastic components.\u003c\/li\u003e\n  \u003cli\u003eDoes not contain amines, borates, nitrates, nitrites, silicates, or phosphates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use or maintain this antifreeze for best results?\u003c\/h3\u003e\n\u003cp\u003eThis product is supplied ready-to-use; do not dilute further unless your vehicle manufacturer instructs otherwise. For optimal performance, follow recommended drain-and-fill intervals, monitor coolant level, and address leaks or contamination promptly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse straight from the bottle for a 50\/50 mix; do not add plain coolant concentrate unless directed.\u003c\/li\u003e\n  \u003cli\u003eReplace coolant according to your vehicle’s service schedule or when contamination is detected.\u003c\/li\u003e\n  \u003cli\u003eIncludes a bittering agent (denatonium benzoate) for safety; store out of reach of children and pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Valvoline Zerex Dex-Cool 50\/50 Ready-to-Use Antifreeze\/Coolant is intended for car and light-truck owners, DIY mechanics, and service shops that need an OEM-approved orange OAT coolant. It’s especially suitable for vehicles that specify Dex-Cool or similar OAT formulas, owners seeking long-lasting corrosion and deposit protection, and anyone who prefers a premixed product for quick topping off or coolant changes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix Zerex Dex-Cool with other coolants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mixing with non-OAT or different formulation coolants is not recommended; consult your owner’s manual or fully flush before switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product pre-diluted or do I need to add water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This one-gallon bottle is pre-mixed 50\/50 and ready to use—no additional dilution required unless specified by your vehicle maker.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Valvoline","offers":[{"title":"Default Title","offer_id":55166990287191,"sku":"B0033QQ4U8","price":60.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/valvoline-zerex-dex-cool-front-view.jpg?v=1790374532","url":"https:\/\/britishgarage.co.uk\/products\/valvoline-zerex-dex-cool-50-50-antifreeze-coolant-1-gal-orange-oat-oem-approved","provider":"British Garage","version":"1.0","type":"link"}