Peak Original Equipment Technology Antifreeze + Coolant for North American Vehicles is a line of premium coolants specifically designed to match the technology and color requirements of North American vehicles. Each coolant is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. Color cues on the packaging and a list of covered vehicles on the front label make it easy to identify the right match for your specific vehicle. Peak Original Equipment Technology Antifreeze + Coolant for North American Vehicles - Orange is an extended life antifreeze/coolant based on proprietary state-of-the-art organic acid technology (OAT). The ethylene glycol-based formula represents a carefully balanced mixture of organic acid corrosion inhibitors for complete protection of modern high-performance North American vehicle engines. It can be mixed with any orange colored Organic Acid Technology (OAT) coolant in newer GM, Opel, Daewoo and Saab vehicles, as well as with antifreeze/coolant in Ford and Chrysler vehicles requiring an orange colored OAT coolant. This product's orange color distinguishes its unique chemistry and ensures easy selection for North American vehicles requiring this type and color of coolant. Peak Original Equipment Technology Antifreeze + Coolant for North American Vehicles - Orange is free of silicate, borate, phosphate, nitrite, and amines, and is fully compatible with other extended life coolants. It meets the performance requirements of ASTM D3306 and D4985. When installed as part of a complete flush and coolant fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.