Parts of motor vehicles; shock absorbers for motor vehicles; hydraulic units for motor vehicles as shock-absorbing and/or stabilising elements for chassis and chassis structures of motor vehicles; vibration dampers for wheel suspensions of motor vehicles and their individual parts and attachments; suspension struts for vehicles; suspension struts for vehicles, in particular air suspension struts; combined spring/damper modules for vehicles; Mc-Pherson suspension struts for land vehicles; suspension struts with steel springs or air springs for wheel suspensions of motor vehicles and parts and fittings thereof; gas pressure shock absorbers, namely hydropneumatic shock absorbers for motor vehicles; support bearings for motor vehicle vibration dampers; springs for wheel suspensions of motor vehicles, in particular helical compression springs, air springs, individually standing air springs.