Sidelight holder/socket broken - Help

[little_nat_pat]

Hi all,

Recently went to inspect some LED retrofits on my 2015 Rocco (standard headlight type). Had the headlight unit out and in the process of taking the sidelight caddy/holder/plastic base (whatever the hell it's called...) out of the socket it sits in, i caught one of the plastic tensioning/locking tabs and snapped it off. The unit still sits in the socket, but with only one tab left, as you can imagine, it's a bit wobbly and i'm concerned it might be rattling around while i'm driving.

Does anybody know a part number or replacement part for that plastic base with the two compressible tabs on the side? It is the part that simultaneously encapsulates the wiring terminations as well as the bulb holder above it - it may well all be the same part for all i know... I'm having a hard time finding an exploded parts diagram or any component that looks remotely similar.

Closest i can find is something like this:
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or this:
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Although, i'm not convinced that those will stay in without the tensioning/locking tabs.

Any assistance in finding a part number, suitable replacement or a parts diagram would be greatly appreciated! I will try and get some pictures at the weekend.