Compatibility Vehicle: 2002-2005 Ford Explorer 2002-2005 Mercury Mountaineer About Radiator And Condenser Radiator: The radiator is a main part of the cooling system. Coolant flows through the tubes inside the radiator, which are surrounded by fins that direct airflow. When the vehicle is moving down the road, air flows through these fins and cools the coolant. The lower temperature coolant is then sent back to the engine. A failed radiator can lead to engine overheating and potential engine damage. Images are for structure reference only. Condenser .
