Basically, this stuff is a special paint – like layer you apply directly to the compressor itself. It creates a barrier – it acts like a shield – against things like road salt, debris, and even moisture. It’s designed to resist corrosion and chipping, which are common problems for compressors, especially underneath the vehicle where everything gets exposed to the elements. It's not a repair coating, more of a preventative measure. The AC compressor is, obviously, a vital part of your air conditioning system. It’s what actually pumps the refrigerant, making the cool air happen. This coating doesn’t make the compressor work, it just helps it stay working reliably for longer. Think of it as insurance against premature failure. It’s applied directly to the compressor body, protecting its external surfaces. Compressors aren’t cheap to replace, and a failing AC system is a real pain, especially in the heat. This coating helps prevent corrosion from starting in the first place. If corrosion gets going, it can eat away at the compressor, causing leaks and ultimately, failure. You’ll notice if you start to lose AC performance, or if you hear unusual noises coming from the compressor area. Applying this coating during a service, or even on a newer vehicle, can really extend the life of your compressor. You can find it at places like Fixparts Online, or most auto parts stores. It’s a relatively inexpensive way to potentially save a lot of money and hassle down the road. One size fits all: Protective Coating (MPN 357820809B) has a 12-month warranty!

About Volkswagen

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• Get parts made specifically for your VW, ensuring a perfect fit and reliable performance. • Volkswagen parts are quality-tested to meet high standards, so you can drive with confidence. • Using genuine VW parts helps maintain your vehicle’s value. • We have a wide selection of parts, from everyday maintenance items to more complex components. Volkswagen delivers excellence, FixParts Online delivers to your door.