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. 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.