NRF 727123 Coolant Temperature Sensor

Compatible with MERCEDES-BENZ 190 (W201) , MERCEDES-BENZ 124 Sedans (W124) , MERCEDES-BENZ E-CLASS (W124) Show more info
NRF coolant temperature sensor for accurate engine temperature monitoring. Ensures optimal engine performance and fuel efficiency.
5.34 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (14.05.2026)
PN 727123
Make NRF
EAN 8718042384621

This NRF coolant temperature sensor, part number 727123, is designed to provide precise readings of your engine's coolant temperature. Accurate temperature data is crucial for the engine control unit (ECU) to manage fuel injection, ignition timing, and cooling fan operation, all of which contribute to optimal engine performance and longevity. By ensuring the ECU has real-time information about the coolant temperature, this sensor helps prevent overheating and promotes efficient operation. This leads to better fuel economy and reduced emissions. NRF is known for producing reliable automotive components, and this sensor is built to meet stringent quality standards.

  • Direct fit for specific vehicle applications
  • Ensures accurate engine temperature readings
  • Contributes to optimal engine performance
  • Helps improve fuel efficiency
  • Supports proper cooling system operation
  • Durable construction for long service life
  • Replaces original equipment sensor
Sensor type
NTC sensor
Mounting type
screwed
Plug connector housing shape
round
Number of pin contacts
4
Connector color
black
Wrench size
2+2
Thread size
M14x1.5
OE-number
0085423217
  • MERCEDES-BENZ
    • 190 (W201)
      • E 1.8 (201.018) (80kW/109PS)
      • 2.0 (201.022) (66kW/90PS)
      • E 2.0 (201.024) (83kW/113PS)
      • E 2.0 (201.024) (85kW/116PS)
      • 2.0 (201.023) (75kW/102PS)
      • 2.0 (201.023) (77kW/105PS)
      • E 2.0 (87kW/118PS)
      • E 2.0 (201.024) (90kW/122PS)
      • E 2.3-16 (125kW/170PS)
      • E 2.3-16 (130kW/177PS)
      • E 2.3-16 (201.034) (136kW/185PS)
      • E 2.3 (97kW/132PS)
      • E 2.3 (201.028) (100kW/136PS)
      • E 2.5-16 Evolution (201.036) (143kW/194PS)
      • E 2.5-16 (201.035) (150kW/204PS)
      • E 2.6 (122kW/166PS)
      • E 2.5-16 Evolution II (173kW/235PS)
      • E 2.6 (201.029) (118kW/160PS)
      • 2.3 (97kW/132PS)
      • 2.6 (118kW/160PS)
      • E 2.5-16 (201.035) (143kW/194PS)
    • 124 Sedans (W124)
      • 200 (124.020) (75kW/102PS)
      • 200 (124.020) (80kW/109PS)
      • 200 E (124.021) (87kW/118PS)
      • 200 E (124.021) (90kW/122PS)
      • 230 E (124.023) (97kW/132PS)
      • 230 E (124.023) (100kW/136PS)
      • 260 E 4-matic (124.226) (118kW/160PS)
      • 260 E (124.026) (118kW/160PS)
      • 260 E (124.026) (122kW/166PS)
      • 260 E 4-matic (124.226) (122kW/166PS)
      • 300 E (138kW/188PS)
      • 300 E (124.030) (132kW/180PS)
      • 300 E 4-matic (124.230) (132kW/180PS)
      • 300 E 4-matic (138kW/188PS)
      • 300 E (138kW/188PS)
      • 200 (77kW/105PS)
      • 300 E-24 (124.031) (162kW/220PS)
      • 500 E (124.036) (240kW/326PS)
      • 200 E (124.019) (100kW/136PS)
      • 220 E (124.022) (110kW/150PS)
      • 280 E (124.028) (145kW/197PS)
      • 400 E 4.2 (124.034) (205kW/279PS)
      • 320 E (124.032) (162kW/220PS)
      • 230 E Cat (124.023) (97kW/132PS)
    • E-CLASS (W124)
      • E 300 D (124.131) (100kW/136PS)
      • E 420 (124.034) (205kW/279PS)
      • E 500 (124.036) (235kW/320PS)
      • E 300 4-matic (124.230) (132kW/180PS)
      • E 60 AMG (124.036) (280kW/381PS)
    • 124 T-Model (S124)
      • 200 T (124.080) (77kW/105PS)
      • 200 T (124.080) (80kW/109PS)
      • 200 TE (124.081) (87kW/118PS)
      • 200 TE (90kW/122PS)
      • 230 TE Cat (124.083) (97kW/132PS)
      • 230 TE (124.083) (100kW/136PS)
      • 300 TE 4-matic (124.290) (132kW/180PS)
      • 300 TE (124.090) (132kW/180PS)
      • 300 TE (124.090) (138kW/188PS)
      • 300 TE 4-matic (124.290) (138kW/188PS)
      • 300 TE-24 (124.091) (162kW/220PS)
      • 260 TE FGST. (118kW/160PS)
      • 220 TE (124.082) (110kW/150PS)
      • 320 TE (124.092) (162kW/220PS)
      • 280 TE (124.088) (145kW/197PS)
      • 200 TE (124.079) (100kW/136PS)
      • 230 TE (124.083) (97kW/132PS)
    • E-CLASS T-Model (S124)
      • E 300 TD (124.191) (100kW/136PS)
      • E 300 T 4-matic (124.290) (132kW/180PS)
    • S-CLASS (W126)
      • 260 SE (126.020) (118kW/160PS)
      • 260 SE (126.020) (122kW/166PS)
      • 300 SE, SEL (126.024, 126.025) (132kW/180PS)
      • 300 SE, SEL (126.024, 126.025) (138kW/188PS)
      • 420 SE, SEL (126.034, 126.035) (150kW/204PS)
      • 420 SE, SEL (126.034) (160kW/218PS)
      • 420 SE, SEL (165kW/224PS)
      • 420 SE, SEL (170kW/231PS)
      • 500 SE, SEL (126.036) (164kW/223PS)
      • 500 SE, SEL (126.036) (170kW/231PS)
      • 500 SE, SEL (126.036) (177kW/241PS)
      • 500 SE, SEL (126.036) (180kW/245PS)
      • 500 SE, SEL (185kW/252PS)
      • 500 SE, SEL (195kW/265PS)
      • 560 SE, SEL (126.038, 126.039) (178kW/242PS)
      • 560 SE, SEL (126.038) (200kW/272PS)
      • 560 SE, SEL (205kW/279PS)
      • 560 SE, SEL (220kW/300PS)
      • 500 SE, SEL Cat (185kW/252PS)
    • 124 Coupe (C124)
      • 230 CE (124.043) (100kW/136PS)
      • 300 CE (138kW/188PS)
      • 300 CE-24 (124.051) (162kW/220PS)
      • 230 CE Cat (124.043) (97kW/132PS)
      • 300 CE (124.050) (132kW/180PS)
      • 320 CE (124.052) (162kW/220PS)
      • 220 CE (124.042) (110kW/150PS)
      • 230 CE (124.043) (97kW/132PS)
    • 124 Kabriolets (A124)
      • 300 CE-24 (124.061) (162kW/220PS)
    • S-CLASS Coupe (C126)
      • 380 SEC (126.043) (150kW/204PS)
      • 420 SEC (126.046) (150kW/204PS)
      • 420 SEC (126.046) (160kW/218PS)
      • 420 SEC (126.046) (165kW/224PS)
      • 500 SEC (126.044) (164kW/223PS)
      • 500 SEC (126.044) (170kW/231PS)
      • 500 SEC (126.044) (180kW/245PS)
      • 500 SEC (126.044) (185kW/252PS)
      • 560 SEC (126.045) (178kW/242PS)
      • 560 SEC (126.045) (200kW/272PS)
      • 560 SEC (126.045) (205kW/279PS)
      • 560 SEC (126.045) (220kW/300PS)
      • 500 SEC Cat (185kW/252PS)
      • 500 SEC (126.044) (195kW/265PS)
    • G-CLASS (W460)
      • 230 GE (460,2) (90kW/122PS)
      • 230 GE (460,2) (92kW/125PS)
      • 230 G (460,2) (66kW/90PS)
      • 280 GE (460,2) (110kW/150PS)
      • 280 GE (460,2) (115kW/156PS)
      • 230 G (460,2) (75kW/102PS)
    • SL (R129)
      • 280 (129.058) (142kW/193PS)
      • 300 SL (129.060) (140kW/190PS)
      • 300 SL-24 (129.061) (170kW/231PS)
      • 320 (129.063) (170kW/231PS)
      • 500 (129.067) (235kW/320PS)
      • 500 SL (129.066) (240kW/326PS)
      • 600 (129.076) (290kW/394PS)
      • 60 AMG (129.067) (280kW/381PS)
      • 280 (129.059) (150kW/204PS)
      • 320 (129.064) (165kW/224PS)
    • G-CLASS (W463)
      • 300 GE (463.227, 463.228) (128kW/174PS)
      • 230 GE (463.224, 463.225) (93kW/126PS)
      • 300 GE (463.227, 463.228) (125kW/170PS)
      • 500 GE (463.228) (177kW/241PS)
    • G-CLASS (W461)
      • 230 GE (461.238, 461.239) (90kW/122PS)
    • S-CLASS (W140)
      • 300 SE, SEL/S320 (140.032, 140.033) (170kW/231PS)
      • S 420 (140.042, 140.043) (205kW/279PS)
      • 400 SE, SEL/S420 (140.042, 140.043) (210kW/286PS)
      • S 500 (140.050, 140.051) (235kW/320PS)
      • 500 SE, SEL (140.050, 140.051) (240kW/326PS)
      • S 600 (140.056, 140.057) (290kW/394PS)
    • S-CLASS Coupe (C140)
      • 500 SEC / CL 500 (140.070) (235kW/320PS)
      • SEC/CL 600 (140.076) (290kW/394PS)
      • SEC/CL 420 (140.063) (205kW/279PS)
    • C-CLASS (W202)
      • C 200 D (202.120) (55kW/75PS)
    • E-CLASS (W210)
      • E 300 D (210.020) (100kW/136PS)
    • G-CLASS Cabrio (W463)
      • 230 GE (463.204) (93kW/126PS)
      • 300 GE (463.207) (125kW/170PS)
  • PUCH
    • G-MODELL (W463)
      • 230 GE (463.224, 463.225) (93kW/126PS)
      • 300 GE (463.227, 463.228) (125kW/170PS)
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