Definitions for "Heater Core"
A heat exchanger where hot engine cooling flows in order to heat the air entering the vehicle passenger compartment.
The opposite of the radiator's cooling core. It uses hot coolant coming from the engine to heat air for your car's heater.
A device that heats the passenger compartment. Hot coolant and water circulate through it from the engine and heat air that is then blown by an interior fan into the vehicle.