Search Server Web Parts and Templates
This feature will add the Search Server Web Parts and Display Templates to your site. Search will work on most sites without this feature being activated, but if you get a message about missing templates when searching, then activate this feature.
SharePoint 2016
Feature Details
9c0834e1-ba47-4d49-812b-7d4fb6fea211
Site
False
True
False
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\Template\Features\SearchMaster