This fan is really the heart of your heating and cooling system inside the car. Its job is to push air across the heater core in the winter to give you heat, and across the evaporator core in the summer to give you air conditioning. It doesn't make the hot or cold air, it just moves it from where it’s created to the vents in your dash and floors. It has a little motor attached to spin the blades, and usually a resistor pack to control how fast it blows – that’s how you get different fan speeds. Think of it as the pump in your HVAC system. Your engine creates the heat or the A/C system generates the cool air, but this fan is what actually delivers it to you inside the cabin. Without it, you’re stuck with just outside air, no matter what temperature setting you choose. It's tucked away inside the HVAC box, usually under the dash, so you don't see it working directly. You’ll notice if this thing goes bad, believe me. You’ll either get no air coming from the vents at all, or it might only work on the highest speed. Sometimes you’ll get a weak airflow, or just air from certain vents. A failing fan can also make a really annoying squealing or rattling noise from under the dash. It’s important because, well, comfort and safety. No heat in the winter, no defrost, no A/C in the summer… it can make driving pretty miserable and even dangerous. We carry a good selection of these at Fixparts Online, and getting a new one installed can make a big difference. It’s really not something to put off if you suspect it’s failing. It acts like a shield against uncomfortable temperatures, essentially. Get more value: Fan (MPN 701819021B) is protected by a 12-month warranty!

About Volkswagen

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• Get parts made specifically for your Volkswagen, ensuring a perfect fit and reliable performance. • Volkswagen parts are quality-tested to meet strict standards, so you can be confident in their durability. • Using genuine Volkswagen parts helps maintain your vehicle’s value. • We offer a wide range of parts, from routine maintenance items to more complex components, all easily accessible. Volkswagen delivers excellence, FixParts Online delivers to your door.