Pretty sure stock is right around 195.

I've seen anywhere from 194F to 207F listed as the stock value.

From all my searches, for a 2014 silverado, the officially listed OEM part is part number 15-11125

$28 + shipping on rock auto
https://www.rockauto.com/en/moreinfo...sn=970&jsn=970

$36 free ship from amazon
https://www.amazon.com/ACDelco-15-11.../dp/B01K8BJ7BS


This is a replacement housing / seal / thermostat.