Prestone   All Vehicles antifreeze+coolant - Concentrate is our optimized formula for   All Vehicles; makes, models, years & fluid colors. Our Patented Cor-Guard® Technology (our   best coolant innovation in decades) works with all new engines, and also is   backward compatible - providing instant protection in older engines. Not only   does Prestone Coolant Technology manage engine temperature all year round and   protects against freezing, it also uniquely protects the engine from serious   damage. No matter what type of coolant   is currently in your engine, a Single Top-off of Patented Cor-Guard®   Technology instantly protects parts better from corrosion, buildup, pitting,   scaling, rust and other damage; a complete replacement of all coolant   protects to the maximum. Internal   engine damage can cause parts failure, resulting in expensive auto repair   shop bills and downtime inconveniences. Using Prestone Antifreeze+Coolant protects against engine issues and   those inconveniences. This patented   fluid is designed to last 10yrs / 300,000 miles and will protect the internal   parts of the engine for 10yrs / 300,000 miles