Fit for: 2012-2017 Hyundai Azera 2011-2014 Hyundai Sonata 2014-2016 Kia Cadenza 2011-2015 Kia Optima Features: Easy Installation Factory lubricated for long life Precision built and balanced - Pressed on impeller increases water flow Unitized seal protects bearings - Provides long life and leak free performance Why need we replace the radiator: The engine cooling system on a car is composed of a radiator, hoses, coolant, and fans. The radiator is also responsible for cooling automatic transmission fluid on vehicles equipped with automatic transmissions. So as you see, if you're experiencing radiator problems, they need to be fixed quickly. .