A sample from the products for the Fuel Cock (model S) include: Tube, Interference Hose, Clamp(l:125), Tube,fuel Hose, Clip.
This part-list fiche shows all the components that make up the Vs1400glf 1990 (l) (e01 E04 E17 E21 E22 E39) Fuel Cock (model S) .
In this schematic the "Clip" is used most often.