Relay for air suspension compressor for Porsche Cayenne 9PA and 92A Please note that when shipping to a country outside the EU, you may incur additional costs (customs duties, VAT). In order to ensure that a new compressor functions safely, this must also be done before installing the compressor relay be exchanged. The relay offered is for the Porsche Cayenne 9PA and Porsche Cayenne 92A used. Even if the installed relay is still functional, both we and the vehicle manufacturer recommend changing the working relay. Since the relays in the box are often very similar, it is important to make sure that the correct relay is changed. The most common cause of compressor defects is a leak in the air suspension system or the entry of dirt or Moisture into the compressor. We therefore strongly r.