For any thermistor with 3 mm diameter cartridge.
Assembly:
- Print it
- Cut out the thin section acting as a support (circled in one of the images)
- Get thermistor wire through newly created crevice
- Pull the wire further so that thermistor cartridge is pulled towads hole
- Lightly press the cartridge into the hole
- Thermistor should get about 5 millimeters in and then stay put.
Most likely suspects that fit:
a) ATC Semitec 104GT-2
b) ATC Semitec 104NT-4-R025H42G