5. Zerex Original Green Antifreeze/Coolant, Concentrated 6. Valvoline MaxLife Universal Antifreeze/Coolant 7. ShellZone Pre-Diluted 50/50 Antifreeze/Engine Coolant 8. Engine Ice Engine Coolant 9.

HOAT coolants are orange and yellow for the most part. Then the older IAT coolant is green. Coolants that manufacturers sell can confuse matters even more, like Honda’s blue coolant.

Table of contents 1. Editor's Pick: Zerex G05 Antifreeze/Coolant 2. Best Waterless Solution: Evans Waterless Engine Coolant 3. Best for Extreme Weather: Engine Ice High-Performance Coolant 4.

“Each coolant has different active ingredients, whether it be the anti-boil properties or anti-freeze in colder climates. They are made differently for manufacturers and climates.

Armed with a coolant tester, which cost around £10-15, you’ll be able to test your car’s antifreeze throughout the year, reducing the likelihood of a costly breakdown.

The antifreeze capabilities of the glycol don’t really break down, but the corrosion inhibitors do, resulting in the coolant turning a murky, rusty brown. It’s for this reason that manufacturers ...

However, coolant will typically dilute glycol ethylene with water and antifreeze is an undiluted glycol. When antifreeze is diluted, it becomes coolant. The application of the liquids also differs.

COOLANT, or as you might know it, antifreeze, helps your car engine maintain an even temperature during extreme hot and cold weather. Coolants come in different colours — such as red and ink … ...

Coolant is a 50/50 combination of water and antifreeze. Like motor oil, coolant flows through internal combustion engines to absorb and remove heat, prevent corrosion, and help the motor function ...

Inorganic Additive Technology (IAT) coolant is the oldest and most recognizable antifreeze out there. It's bright green in color and is typically found in older vehicles. The term "inorganic ...