This residual pressure holding valve is suitable for the rear air suspension strut of VW Phaeton.
Residual pressure retaining valves of the original air suspension struts usually become defective after a while which leads to a problem with the strut & it cannot be steered up & down anymore. With this valve you have the possibility to repair your strut at a reasonable cost.
The delivery also
Includes:: an O-Ring & an airline fitting.