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With Zerex by Valvoline, whether it’s time for a top off or a complete system flush, you know you have the right antifreeze for your exact make and model. Unlike generic antifreeze, Zerex meets your auto manufacturer’s unique specifications, offering better protection against the four main causes of coolant system failure. And it comes from Valvoline, the brand DIYers have trusted for over 150 years. ZEREX™ G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05® antifreeze/coolant uses the highest quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.







