HomeBelts and Cooling > SensorsFour Seasons 37859 Engine Coolant Temperature Sensor
Part #: 37859

Four Seasons 37859 Engine Coolant Temperature Sensor

Coolant Temp Sensor
⚙️ 229 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coolant Temp Sensor
🚗Fitment: Ford, Lincoln, Mazda, and Mercury, C-Max, Focus, Fusion, MKZ, EcoSport, Ranger, Explorer, Explorer Sport Trac, Mustang, B4000, Mountaineer, Milan, B2300, B3000, Mariner, Courier, Fiesta, Five Hundred, Freestyle, Montego, Ka, Mondeo, Escape, Fiesta Ikon, Tribute, Escort, Explorer Sport, B2500, Contour, and Mystique
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Reliable Engine Coolant Temperature Sensor for Ford and Lincoln Vehicles

The Four Seasons Coolant Temp Sensor 37859 is designed to provide accurate temperature readings for your vehicle's engine cooling system. Compatible with a range of Ford, Lincoln, Mazda, and Mercury models, this sensor helps maintain optimal engine performance and prevents overheating.

  • Connector Gender: Female for secure electrical connection
  • Connector Shape: Oval design for precise fitment
  • Fitting Thread Size: No threads, clip-in installation
  • Number of Terminals: 2 terminals for reliable signal transmission
  • Meets or exceeds OEM specifications for dependable operation

About the Four Seasons Coolant Temp Sensor Product Line

The Four Seasons Coolant Temp Sensor line focuses on delivering sensors that accurately monitor engine coolant temperature to support efficient engine management. This product line ensures compatibility with various vehicle makes and models, including Ford and Lincoln, providing a direct replacement that meets or exceeds original equipment standards.

Detailed Product Description

This engine coolant temperature sensor features a female oval connector with two terminals, designed for clip-in installation without the need for threaded fittings. The sensor is engineered to meet or exceed OEM requirements, ensuring reliable performance in monitoring coolant temperature. It is compatible with multiple Ford, Lincoln, Mazda, and Mercury vehicles such as the Ford Escape, Explorer, Mustang, and Lincoln MKZ, among others. The part number 37859 identifies this specific sensor within the Four Seasons catalog, making it easy to find the correct replacement for your vehicle.

Common Issues Addressed by the Coolant Temp Sensor 37859

  • Engine overheating due to inaccurate temperature readings
  • Poor fuel efficiency caused by incorrect coolant temperature data
  • Check engine light triggered by faulty temperature sensor signals
  • Erratic engine performance related to temperature sensor failure
  • Cooling fan malfunction due to improper temperature input

Installation Notes and Tips

The Four Seasons Coolant Temp Sensor 37859 installs with a clip-in design, eliminating the need for threaded fittings. Ensure the female oval connector aligns properly with the vehicle’s wiring harness for a secure connection. Before installation, verify compatibility with your specific Ford, Lincoln, Mazda, or Mercury model. It is recommended to disconnect the battery and allow the engine to cool before replacing the sensor to avoid injury or damage.

Quality Assurance and Warranty

This sensor meets or exceeds OEM standards, providing reliable and consistent performance. Four Seasons products are manufactured under strict quality control processes to ensure durability and accuracy. Please refer to the manufacturer’s warranty information for coverage details related to the Coolant Temp Sensor 37859.

BrandFour Seasons
Part Number37859
PositionCoolant Temp Sensor
Connector GenderFemale
Connector ShapeOval
DescriptionCoolant Temp Sensor
Fitting Thread SizeNo Threads/Clip In
Meets / Exceeds OEM?YES
Number of Terminals2
StyleCoolant Temp Sensor
TypeCoolant Temp Sensor

This part fits 229 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersFuel TypePositionNotes
2019FordEdge2.0LL4N/A2 Blade Term
2019FordEscape2.0LL4N/A
2019FordExplorer2.3LL4N/A
2019FordFiesta1.6LL4N/A
2019FordFusion2.0LL4GASN/A
2019FordTaurus3.5LV6GASN/A
2019LincolnContinental2.7LV6GASN/A
2019LincolnMKCN/A
2019LincolnNautilus2.0LL4N/A
2018FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2018FordEdge2.0LL4N/A
2018FordEscape2.0LL4N/A
2018FordExplorer2.3LL4N/A
2018FordFiesta1.6LL4N/A
2018FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2018FordFusion2.0LL4GASN/A
2018FordTaurusN/ALocated On Radiator
2018LincolnContinentalN/ALocated On Radiator
2018LincolnMKCN/A
2017FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2017FordEdge2.0LL4N/A
2017FordEscape2.0LL4N/A
2017FordExplorer2.3LL4N/A
2017FordFiesta1.6LL4N/A
2017FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2017FordFusion2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2017FordTaurus2.0LL4N/A
2017LincolnContinentalN/A
2017LincolnMKCN/A
2017LincolnMKZ2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2016FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2016FordEdge2.0LL4N/A
2016FordEscape2.0LL4N/A
2016FordExplorer2.3LL4N/A
2016FordFiesta1.6LL4N/A
2016FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2016FordFusion2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2016FordTaurus2.0LL4N/A
2016LincolnMKCN/A
2016LincolnMKT2.0LL4N/A
2016LincolnMKZ2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2015FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2015FordEdge2.0LL4N/A
2015FordEscape2.0LL4N/A
2015FordExplorer2.0LL4N/A
2015FordFiesta1.6LL4N/A
2015FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2015FordFusion2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2015FordTaurus2.0LL4N/A
2015LincolnMKCN/A
2015LincolnMKT2.0LL4N/A
2015LincolnMKZ2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2014FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2014FordEcoSportN/ACoolant Temp Sensor
2014FordEdge2.0LL4N/A
2014FordEscape2.0LL4N/A
2014FordExplorer2.0LL4N/A
2014FordFiesta1.6LL4N/A
2014FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2014FordFusion2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2014FordTaurus2.0LL4N/A
2014LincolnMKT2.0LL4N/A
2014LincolnMKZ2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2013FordC-Max2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2013FordEcoSportN/ACoolant Temp Sensor
2013FordEdge2.0LL4N/A
2013FordEscape2.0LL4N/A
2013FordExplorer2.0LL4N/A
2013FordFiestaN/A
2013FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2013FordFusion2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2013FordTaurus2.0LL4N/A
2013LincolnMKT2.0LL4N/A
2013LincolnMKZ2.0LL4ELECTRIC/GASN/ACoolant Temp Sensor
2012FordEcoSportN/ACoolant Temp Sensor
2012FordEdge2.0LL4N/A
2012FordExplorer2.0LL4N/A
2012FordFiestaN/A
2012FordFocus2.0LL4N/AIn Thermostat Housing; New Part; Coolant Temp Sensor
2011FordEcoSportN/ACoolant Temp Sensor
2011FordFiestaN/A
2011FordRanger4.0LV6N/ACoolant Temp Sensor
2010FordEcoSportN/ACoolant Temp Sensor
2010FordExplorer4.0LV6N/ACoolant Temp Sensor
2010FordExplorer Sport TracN/ACoolant Temp Sensor
2010FordMustang4.0LV6N/ACoolant Temp Sensor
2010FordRanger4.0LV6N/ACoolant Temp Sensor
2010MazdaB4000N/ACoolant Temp Sensor
2010MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2009FordEcoSportN/ACoolant Temp Sensor
2009FordExplorer4.0LV6N/ACoolant Temp Sensor
2009FordExplorer Sport TracN/ACoolant Temp Sensor
2009FordFusion2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2009FordMustang4.0LV6N/ACoolant Temp Sensor
2009FordRanger4.0LV6N/ACoolant Temp Sensor
2009MazdaB4000N/ACoolant Temp Sensor
2009MercuryMilan2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2009MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2008FordEcoSportN/ACoolant Temp Sensor
2008FordExplorer4.0LV6N/ACoolant Temp Sensor
2008FordExplorer Sport TracN/ACoolant Temp Sensor
2008FordFusion2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2008FordMustang4.0LV6N/ACoolant Temp Sensor
2008FordRanger4.0LV6N/ACoolant Temp Sensor
2008MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2008MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2008MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2008MercuryMariner2.3LL4N/AClip-In Sensor Style; New Part; Coolant Temp Sensor
2008MercuryMilan2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2008MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2007FordCourierN/ACoolant Temp Sensor
2007FordEcoSportN/ACoolant Temp Sensor
2007FordExplorer4.0LV6N/ACoolant Temp Sensor
2007FordExplorer Sport Trac4.0LV6N/ACoolant Temp Sensor
2007FordFiestaN/ACoolant Temp Sensor
2007FordFive HundredN/ACoolant Temp Sensor
2007FordFreestyleN/ACoolant Temp Sensor
2007FordFusion2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2007FordMustang4.0LV6N/ACoolant Temp Sensor
2007FordRanger4.0LV6N/ACoolant Temp Sensor
2007MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2007MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2007MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2007MercuryMilan2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2007MercuryMontegoN/ACoolant Temp Sensor
2007MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2006FordCourierN/ACoolant Temp Sensor
2006FordEcoSportN/ACoolant Temp Sensor
2006FordExplorer4.0LV6N/ACoolant Temp Sensor
2006FordFiestaN/ACoolant Temp Sensor
2006FordFive HundredN/ACoolant Temp Sensor
2006FordFreestyleN/ACoolant Temp Sensor
2006FordFusion2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2006FordMustang4.0LV6N/ACoolant Temp Sensor
2006FordRanger4.0LV6N/ACoolant Temp Sensor
2006MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2006MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2006MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2006MercuryMilan2.3LL4N/APush-In Type; New Part; Coolant Temp Sensor
2006MercuryMontegoN/ACoolant Temp Sensor
2006MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2005FordCourierN/ACoolant Temp Sensor
2005FordEcoSportN/ACoolant Temp Sensor
2005FordExplorer4.0LV6N/ACoolant Temp Sensor
2005FordExplorer Sport TracN/ACoolant Temp Sensor
2005FordFiestaN/ACoolant Temp Sensor
2005FordFive HundredN/ACoolant Temp Sensor
2005FordFreestyleN/ACoolant Temp Sensor
2005FordMustang4.0LV6N/ACoolant Temp Sensor
2005FordRanger4.0LV6N/ACoolant Temp Sensor
2005MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2005MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2005MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2005MercuryMontegoN/ACoolant Temp Sensor
2005MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2004FordCourierN/ACoolant Temp Sensor
2004FordEcoSportN/ACoolant Temp Sensor
2004FordEscape3.0LV6N/ACoolant Temp Sensor
2004FordExplorerN/ACoolant Temp Sensor
2004FordExplorer Sport TracN/ACoolant Temp Sensor
2004FordFiestaN/ACoolant Temp Sensor
2004FordFocus2.0LL4N/ACoolant Temp Sensor
2004FordFocus2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2004FordRanger4.0LV6N/ACoolant Temp Sensor
2004FordRanger2.3LL4N/APush-In Type; Coolant Temp Sensor
2004MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2004MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2004MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2004MazdaTribute3.0LV6N/ACoolant Temp Sensor
2004MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2003FordCourierN/ACoolant Temp Sensor
2003FordEscape3.0LV6N/ACoolant Temp Sensor
2003FordEscortN/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2003FordExplorerN/AGray; 2 Term.; Coolant Temp Sensor
2003FordExplorer SportN/AGray; 2 Term.; Coolant Temp Sensor
2003FordExplorer Sport TracN/AGray; 2 Term.; Coolant Temp Sensor
2003FordFiestaN/ACoolant Temp Sensor
2003FordFocusN/ACoolant Temp Sensor
2003FordRangerN/AGray; 2 Term.; Coolant Temp Sensor
2003MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2003MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2003MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2003MazdaTribute3.0LV6N/ACoolant Temp Sensor
2003MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2002FordCourierN/ACoolant Temp Sensor
2002FordEscape3.0LV6N/ACoolant Temp Sensor
2002FordEscort2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2002FordEscortZX22 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2002FordExplorerN/AGray; 2 Term.; Coolant Temp Sensor
2002FordExplorer SportN/AGray; 2 Term.; Coolant Temp Sensor
2002FordExplorer Sport TracN/AGray; 2 Term.; Coolant Temp Sensor
2002FordFocusN/ACoolant Temp Sensor
2002FordRangerN/AGray; 2 Term.; Coolant Temp Sensor
2002MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2002MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2002MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2002MazdaTribute3.0LV6N/ACoolant Temp Sensor
2002MercuryMountaineer4.0LV6N/ACoolant Temp Sensor
2001FordCourierN/ACoolant Temp Sensor
2001FordEscape3.0LV6N/ACoolant Temp Sensor
2001FordEscort2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2001FordEscortZX22 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2001FordExplorerN/AGray; 2 Term.; Coolant Temp Sensor
2001FordExplorer SportN/AGray; 2 Term.; Coolant Temp Sensor
2001FordExplorer Sport TracN/AGray; 2 Term.; Coolant Temp Sensor
2001FordF-100 RangerN/ARectangular connector
2001FordFiesta1.6LL4N/ACoolant Temp Sensor
2001FordFocusN/Aw/ Clip in Sensor Port; Coolant Temp Sensor
2001FordRanger4.0LV6N/AGray; Rectangular connector; Coolant Temp Sensor
2001MazdaB2300N/AGray; 2 Term.; Coolant Temp Sensor
2001MazdaB2500N/AGray; 2 Term.; Coolant Temp Sensor
2001MazdaB3000N/AGray; 2 Term.; Coolant Temp Sensor
2001MazdaB4000N/AGray; 2 Term.; Coolant Temp Sensor
2001MazdaTribute3.0LV6N/ACoolant Temp Sensor
2000FordContour2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2000FordEscort2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2000FordEscortZX22 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2000FordEscortZX2 S/R2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
2000FordFocusN/APush-In Type; New Part; Coolant Temp Sensor
2000FordFocusN/Aw/ Clip in Sensor Port; Coolant Temp Sensor
2000MercuryMystique2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999FordContour2.0LL4N/Aw/ Clip in Sensor Port; New Part; Coolant Temp Sensor
1999FordEscortZX2 Cool Coupe2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999FordEscortZX2 Hot Coupe2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999FordEscortZX2 S/R2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999FordEscortZX2 Equi2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999FordEscortZX2 Tipico2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor
1999MercuryMystique2.0LL4N/AClip Mount; New Part; Coolant Temp Sensor
1998FordEscort2 Door2.0LL4N/AEngine Cooling Fan Motor Relay - New Part; Coolant Temp Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17124641F22188401F60188401F6018840A1L2Z12A648AA378593L8Z12A648A3L8Z12A648BA7C1Z12A648AA14209AJ0318840AJ0318840AIL2Z12A648AASU2301SU2370SU9719XS6Z12A648CA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.