VDO sensors with 1/8 NPT threads:
part number 323-801-005-001D has a max temp of 120 degrees C
part number 323-801-090-001D has a max temp of 150 degrees C
If you're wiring them to a digi dash, I've got the calibration curves for both.

Merlin Motorsport stock VDO parts, and have ordered parts for me from VDO in the past if they aren't a standard stock item. They do list the second sensor above:
https://www.merlinmotorsport.co.uk/p...d-323801009001