welcome to the forum !! I see by your country flag that you are in Spain ? we welcome members here from all over the world. there are a few regular members here from Spain also.
thank you for adding a photo of the machine, that is a big help when asking questions like this. I hope you find what you need.
Edit: when you say "aspiration kit" = are you talking about the dust control vacuum part that connects to your dust collection system ? if so, that might be available from another machine that can be modified to fit yours.
some actual photos of the "aspiration kit" that you need might help, if you can find some.
thank you for adding a photo of the machine, that is a big help when asking questions like this. I hope you find what you need.
Edit: when you say "aspiration kit" = are you talking about the dust control vacuum part that connects to your dust collection system ? if so, that might be available from another machine that can be modified to fit yours.
some actual photos of the "aspiration kit" that you need might help, if you can find some.