Please note that when shipping to a country outside the EU, you may Incur Additional Costs (Customs Duties, Vat). The offered Air spring compressor from the house Amk will be for the Jaguar XJ X351 used. It is built on the same assembly line as the original Jaguar compressor and is therefore the optimal and qualitatively identical alternative at a significantly lower price. In order to ensure a safe functioning of the new compressor, a new relay must be used before installing the compressor. The most common cause of the defect of the compressors lies in a leak of the air spring system or the entry of dirt or Moisture in the compressor. Before using the new compressor, please also check the intake hose and the entire air spring system on leaks and repair them if necessary. Further infor.