Are you aware that your heater is also designed for cooling your engine? The key of each vehicular heater is the heat exchanger similar to the Volkswagen 412 heater core. This is essentially a small radiator. The key function of of your heater core is to produce warm air from the hot coolant that enters its tubes. This can both warm the cab and cool your engine.
The Volkswagen 412 heater core can be found under the instrument cluster. It is actually manufactured using both brass or aluminum tubing inside a shielding layer of fins. It is attached to the engine and the vents of your vehicle through heater tubes. You can regulate the hot air from the part through the use of the heater knob right on the climate control of your automobile.
Over time, this component is going to get damaged. You don't actually need to experience poor performance or upgrade the whole heater system to preserve the Volkswagen 412 heater core performance. Parts Train distributes OES Genuine, Vista-Pro Automotive, or Replacement heater core replacement products that you can choose from.