7H0820811B Volkswagen electro-ma

This little guy basically controls the flow of refrigerant inside the compressor. It’s a coil of wire, and when you send electricity to it, it creates a magnetic field. That magnetic field pulls or pushes a valve open or closed, letting the refrigerant move through the system. It’s a pretty simple idea, but crucial for making cold air. It essentially acts like a gatekeeper for the refrigerant. Think of your AC system as a circulatory system. The compressor is the heart, pumping the refrigerant. The electromagnet is a valve within that heart, controlling when and where the refrigerant goes. It’s directly connected to the compressor itself, so when it fails, the compressor won't be able to effectively circulate the refrigerant. You'll notice if it’s failing because your AC will likely blow warm air, or might not blow any air at all. Sometimes it will cycle on and off rapidly as it tries and fails to engage. Without a working electromagnet, your AC compressor can’t do its job. A failing electromagnet can also put extra strain on the compressor itself, potentially leading to more expensive repairs down the road. It’s a relatively inexpensive part to replace compared to a whole compressor, so it’s always good to address it when it goes bad. We carry a good selection of these, and you can also find them on sites like Fixparts Online. It’s one of those parts that when it’s good, you don’t even think about it, but when it fails, you definitely know it. Customer support you can rely on: Electromagnet (MPN 7H0820811B) has a 12-month warranty!

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