Looks like a nasty smash - hope no one was hurt.
For spares, as other's have said, a call to the factory would be a good step - at least you'll know what they may or may not supply.
Dab of Oppo's G56 idea is also worth pursuing.
http://us9.campaign-archive1.com/?u=9a0b4b9ade17cdf7cdfc1b8e3&id=1dc5f2eab2&e=cfae4c1e33Melvyn Rutter might have tail lights and other stuff:
https://mogparts.net/index.php/Good luck with the rebuild and please post plenty of
