4B0820059A Volkswagen FAN MOTOR

This motor spins the fan that’s usually mounted to the condenser, which is the radiator – like part out front of your car. It basically pulls air through the condenser to help it shed heat. It’s a simple job, spinning that fan, but it’s essential. Some vehicles have multiple fan motors, but this one specifically works with the AC compressor side of things. Think of it like this, the AC compressor is making cold refrigerant, but it needs to get rid of the heat created by that process. This fan motor helps do that. Without enough airflow, the refrigerant can’t cool down properly, and your AC’s efficiency drops way off. It’s directly tied into how well your AC performs, and it also helps regulate engine temperature to a degree. You’ll notice if this motor starts to fail because your AC will start blowing warm air, particularly when you're idling or in traffic. It might also cause your engine to overheat, so it’s a pretty big deal. A failing fan motor puts a lot of stress on other parts of the AC system, so it’s best to replace it when it starts to go. You can find a good replacement part, and diagrams to help you locate everything, over at Fixparts Online, if you’re looking. Replacing this is often a straightforward job, but definitely something you want to address before it leaves you stranded with a hot car. Top-rated performance: Fan Motor (MPN 4B0820059A) has a 12-month warranty!

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