Is there a GM part number and/or an Opel KAT number on the hose?
And does your car have the cold weather package?
Just trying to work out if your hose is the same as the standard model.
How is your connector broken? Last one I tried the collar was very difficult to move until I thoroughly cleaned it. If it's just the green locking ring then I understand that can be omitted?
I checked up what that green ring clip is for and it's only used at manufacture apparently, not sure if you need to use it when refitting but i didn't. I remember seeing them lying loose on the metal pipe just after the hose clip thinking something was not fitted correctly. I think it's just to hold the snap clip open so they can be installed and then they pop off or something.
Is it the hose from the matrix to auxiliary water pump or the other one that goes to the back of the block? I managed to source a new one of the longer pipe as I'd broke the clip. I think the number is 9129570
No. 5 here:
https://opel.catalogs-parts.com/#{client:1;page:part;lang:ru;category:car;catalog:v94;group:f;groupsub:0;subgroup:13-1}#5On the same diagram, I think pipes 6 & 7 are the other matrix pipe, 6 being the non-AC pipe and 7 being the one with A/C.