What Are the Colors of Antifreeze Coolant?


Quick Answer

The colors of antifreeze coolant are green, red, blue, yellow or pink. The color of antifreeze coolants varies depending on the manufacturer. Each color signifies a purpose in vehicle maintenance.

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Full Answer

There are three groups of coolants. Each group has different colors of coolants depending on service life, corrosion protection and chemical compatibility. The right coolant for a vehicle depends on a lot more than just the color of the coolant.

Green antifreeze is common among all the available colors. It is useful for corrosion protection. Many vehicles in North America use green antifreeze due to high temperatures, according to MachineryLubrication.com.

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