A:Answer Hi tiffany,
We appreciate your question about where to purchase the back trim piece also called a filler kit.
You may visit our authorized distributor for parts and accessories website. I have shared their website below.
https://www.samsungparts.com/Default.aspx
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, give them this number 1144831827 and it will help our team pull up your information.
Leo