Hello.
Thank you for reaching out regarding your Samsung - 6.0 cu. ft. Front Control Slide-In Gas Range with Convection & Wi-Fi, Fingerprint Resistant part number for the integrated griddle as you need a replacement. Regarding your concern, it would be best if you get in touch with our Samsung parts team for them to assist you in getting the part number and the replacement griddle.
You can reach them at this contact number:
J & J International, Inc.
Live Help : 800.627.4368
( Mon - Fri 9:00 AM ~ 6:30 PM EST )
I suggest you check this link for further assistance.
http://www.samsungparts.com/CustomerService.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
Thank you for being a valued customer of Samsung. Have a great day.
Reference Ticket Number: 1144438438
^Camille