Fix my Breville coffee machine filter holder

Question

Ok, so basically 6 years ago I bought a Breville Venezia espresso coffee maker.
I am really happy with the machine, as it still works after 6 years of relatively frequent use. But recently out of the blue, my filter holder had an issue where the flow divider just burst free.
The next picture shows the parts I'm referring to:

I tried fixing it back, it stuck for a couple of minutes and then burst out again. I tried fixing it hard, but as soon as I pushed the filter eject button, the whole structure burst out again. I tried looking for new ones, but as it often happens with coffee machines, the spare parts end up costing almost the same as the coffee machine.
I found some options on ebay, but the average price went around 60-70 USD for the filter holder, and for a machine that cost me about 250 USD, I am not sure if it's worth it.
Is it feasible to stick the flow divider with silicone or some kind of glue? I mean the filter has some clipping mechanisms, but I think they no longer hold, so would a permanent glue / fixing work for this? Is there some health risk related to the glue / silicone and the coffee? I mean the flow divider has small tubes that exit the whole metal structure and where the ejector button is, there's a small rubber isolation.
If I had the budget I would probably look for something more Pro level, but it's not an option at the moment and as I mentioned earlier, it works fine, except for this tiny issue.

Mihail Minkov · Accepted Answer

I ended up buying a generic portafilter which had the same measurements and shape and it worked fine. It cost me about 30 USD with shipping which was acceptable.
I also saw some posts related to the isolation silicone ring inside the shower, so I also changed that (unscrewing it was difficult) and the machine is like new.
As for the specifics:

This is the portafilter: https://www.amazon.com/gp/product/B07MPVMW12/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1
This is the silicone steam ring: https://www.amazon.com/gp/product/B00BUBQQOC/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Icyvapor · Answer

I had been using an espresso maker for several years, but the group head on that is a lot less complicated.
If I understand the picture, the small part with spring sits on top of the grey clamp at the bottom of the group head, and the diverter sits on top of the spring, then the actual filter basket (pressurized?) is on top of this diverter? Sounds like this diverter can't get fasten to the group head anymore, so the spring pushes it out to burst as you said.
I don't quite understand the point of the spring. The group head on my old machine looks like this:
https://images.saymedia-content.com/.image/t_share/MTc0NjIwODYwMDg5NTc1NDE0/review-of-the-oster-prima-latte-espresso-cappuccino-and-latte-maker.jpg
Maybe you can skip the spring part, and put this filter holder in just to make sure the two exit holes align well, then use the machine as usual? You may need to take things apart to clean after each use.. but sounds like that shouldn't be too hard?

Fix my Breville coffee machine filter holder

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