Hole in trunk

[buildabear3804]

2016 on the passenger side trunk area, doing sound deadening in these areas because of how loud it was back here. no other barriers between the metal and the trunk besides the molded vinyl. Does anyone know what part # of whatever seals this?





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[Texas Marauder]

Simplest option would be to measure the hole and search Amazon for a rubber plug of the correct size.

Example, I don't know the hole size:

Amazon.com : 1 3/4 rubber plugs for round holes