NTC coolant temperature sensor
Appearance
NTC coolant temperature sensors
Magneti Marelli
Magneti Marelli temperature sensor. It features M12x1.5mm threads (requires an adapter for common 1/8" NPT ports) and a 3-pin connector. The sensor provides analog outputs for temperature (resistance-based NTC). The sensor has two NTC transistors, out of which one is two pin and the other is single pin (grounded through the housing).
Part numbers
- 402 114 02 (Magneti Marelli)
- 727012 (NRF)
Aplications
- Renaults with aluminum thermostat housing (F4P, F4R engine code) and many more.
- LADA Largus Estate (KS0_, RS0_, KSA_) (Year of Construction 03.2012 - ...)
- Opel vivaro around 2000 year models.

Connector
- Part no. 210PC03250016
Pinout
- B, B2 --- NTC 1
- A --- NTC2, ground through housing
Calibration
For the NTC 1
- 0℃ ------ 6600 Ω
- 80℃ ---- 290 Ω
- 98℃ ---- 162 Ω
