05-03-2020 06:17 PM
Hello, @aureliob3. There are replacement doors available at https://gopro.com/en/us/shop/accessories/replacement-door/AAIOD-003.html . The color may be different but the size and shape are exactly the same as that of the HERO5 Black.
05-04-2020 07:57 AM
If the product isn't the one listed on the webpage, you would want to double check.
In this case you're fine my friend. This is the correct part (even though it's a different model), but if you don't feel confident in buying this part, you can always go to the speciality repair shops.