Peak AFC Original Equipment Technology 50/50 Antifreeze + coolant is 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. Protects all cooling system metals, including aluminum, against damaging rust and corrosion. Compatible with other orange OAT formulations. Color-coding and vehicle applications listed on the front simplify selecting the right antifreeze/coolant.