Accent 2017, new positive terminal black box of the battery

[rrgt19]

Hi,

I'm looking for the OEM positive terminal black box of the battery, see photo attached.
Where can I find it?
What is it's official name?
It has a part number?

 

[avisitor]

Open the box and look inside.
It may be just a cover for the positive terminal.
Or it maybe a fusible link