Coolant Temperature Sensor Connector

If you try calling it what it is, a sending unit and not a sensor, which it is NOT, you might have better luck.
I chose my words very carefully, because well, that's what Napa calls it.

https://www.napaonline.com/en/p/ECH...ZGTSHkxLlwqt2xM6k0aAorVEALw_wcB&gclsrc=aw.ds&