How can I acquire a new rear faceplate for HTC Vive XR Elite?

I need a new rear faceplate. It has a two large openings for display lenses. It was griped at a 118 second of iFixit video "HTC Vive XR Elite Teardown: Best VR Hardware Yet?":

https://youtu.be/W6TqYGaYxus?t=118

iFixit is an official partner of HTC and an authorized authentic parts seller. Can You help me?

How can I acquire a new rear faceplate for HTC Vive XR Elite?