The automobile's heating system is its supplementary cooling system. The key of each automobile heater is the heat exchanger identical to your Nissan 300zx heater core. It is essentially a little radiator. The main purpose of this component is to generate warm air from the hot coolant collected into its tubes. It will eventually heat the passenger cabin and cool your engine.

The Nissan 300zx heater core can be found under the dash panel. It is manufactured using both brass or aluminum tubes in the protective covering of fins. Your heater core is equipped with pipes that are for accepting and flowing out coolant. You'll be able to control the hot air coming out of this component by flipping the heater knob mounted on the dashboard of your automobile.

Eventually, this part will get damaged. You don't actually have to withstand low performance and/or change the whole system to restore your Nissan 300zx heater core performance. Parts Train sells OES Genuine, Vista-Pro Automotive, or Replacement heater core replacement units that you can select from.