Further details for you 
The inscriptions specified relate to the diaphragm. Various complete air springs are possible. Please verify the required version.
Air connection
1 integrated Attachment type at bottom
1 threaded hole Attachment type at top
1 stud bolt Brand
winkler Height rolling piston (mm)
118 Inscription Airtech
3475934759-21
Inscription Blacktech
9586095860 C21
Inscription ContiTech
4759 N4759 N P21
Inscription Vibracoustic
V1KF27V1KF27-1
Material rolling piston
steel Measures air connection
M 16x1,5 (Voss 232) Measures mounting bottom
M 24x1.5 Measures mounting top
M 16x1,5 Type of construction
rolling bellows Version
complete Weight (kg)
6,32 ø mount top (mm)
155 ø rolling piston (mm)
280
