HomeBelts and Cooling > SensorsFour Seasons 37906 Engine Coolant Temperature Sensor
Part #: 37906

Four Seasons 37906 Engine Coolant Temperature Sensor

Coolant Temp Sensor
⚙️ 31 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$68.51Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coolant Temp Sensor
🚗Fitment: Mercedes-Benz, SL600, CL600, S420, S500, S600, E300, E420, SL500, C220, C280, C36 AMG, S320, and SL320
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Temperature Sensor for Mercedes-Benz Models

The Four Seasons Coolant Temp Sensor 37906 is designed to provide accurate temperature readings for your engine's cooling system. Engineered to meet or exceed OEM specifications, this sensor ensures optimal performance and compatibility with various Mercedes-Benz vehicles.

  • Connector Gender: Female
  • Connector Shape: Rectangular
  • Fitting Thread Size: M16-1.50
  • Number of Terminals: 2
  • Meets or Exceeds OEM Standards
  • Compatible with multiple Mercedes-Benz models including C36 AMG, C220, C280, CL600, E300, E420, S320, S420, S500, S600, SL320, SL500, and SL600

About the Four Seasons Coolant Temp Sensor Product Line

The Four Seasons Coolant Temp Sensor product line focuses on delivering precise and durable engine coolant temperature sensors that integrate seamlessly with vehicle cooling systems. This line is engineered to provide reliable temperature data, which is critical for engine management and preventing overheating. The 37906 sensor is part of this line, offering a female rectangular connector and a standard M16-1.50 fitting thread size to ensure proper installation and function.

Detailed Product Description

This engine coolant temperature sensor features a female rectangular connector with two terminals, designed for secure and stable electrical connections. The M16-1.50 fitting thread size allows for straightforward installation in compatible Mercedes-Benz engines. By accurately monitoring coolant temperature, the sensor helps the engine control unit regulate fuel injection and ignition timing, contributing to efficient engine operation and emission control.

Common Applications and Issues Addressed

  • Helps prevent engine overheating by providing accurate temperature data
  • Supports proper engine fuel management and ignition timing
  • Resolves erratic temperature gauge readings
  • Eliminates engine performance issues related to faulty coolant temperature sensing
  • Prevents check engine light triggers related to coolant temperature sensor faults

Installation Notes and Tips

Ensure the engine is cool before attempting installation to avoid burns or damage. Use the correct M16-1.50 thread size to avoid cross-threading. Verify the female rectangular connector aligns properly with the vehicle’s wiring harness. It is recommended to inspect the wiring and connector for corrosion or damage before installation to ensure optimal sensor performance.

Quality Assurance and Warranty

The Four Seasons Coolant Temp Sensor 37906 meets or exceeds OEM standards, ensuring reliable performance and durability. This sensor undergoes rigorous quality control to maintain consistency and fitment accuracy. Please refer to Four Seasons’ warranty policy for specific coverage details.

BrandFour Seasons
Part Number37906
PositionCoolant Temp Sensor
Connector GenderFemale
Connector ShapeRectangular
DescriptionCoolant Temp Sensor
Fitting Thread SizeM16-1.50
Meets / Exceeds OEM?YES
Number of Terminals2
StyleCoolant Temp Sensor
TypeCoolant Temp Sensor

This part fits 31 vehicles. Search below:

YearMakeModelPositionNotes
2002Mercedes-BenzSL600N/ACoolant Temp Sensor
2001Mercedes-BenzSL600N/ACoolant Temp Sensor
2000Mercedes-BenzSL600N/ACoolant Temp Sensor
1999Mercedes-BenzCL600N/ACoolant Temp Sensor
1999Mercedes-BenzS420N/ACoolant Temp Sensor
1999Mercedes-BenzS500N/ACoolant Temp Sensor
1999Mercedes-BenzS600N/ACoolant Temp Sensor
1999Mercedes-BenzSL600N/ACoolant Temp Sensor
1998Mercedes-BenzCL600N/ACoolant Temp Sensor
1998Mercedes-BenzS420N/ACoolant Temp Sensor
1998Mercedes-BenzS500N/ACoolant Temp Sensor
1998Mercedes-BenzS600N/ACoolant Temp Sensor
1998Mercedes-BenzSL600N/ACoolant Temp Sensor
1997Mercedes-BenzE300N/ACoolant Temp Sensor
1997Mercedes-BenzE420N/ACoolant Temp Sensor
1997Mercedes-BenzS420N/ACoolant Temp Sensor
1997Mercedes-BenzS500N/ACoolant Temp Sensor
1997Mercedes-BenzS600N/ACoolant Temp Sensor
1997Mercedes-BenzSL500N/ACoolant Temp Sensor
1997Mercedes-BenzSL600N/ACoolant Temp Sensor
1996Mercedes-BenzC220N/ACoolant Temp Sensor
1996Mercedes-BenzC280N/ACoolant Temp Sensor
1996Mercedes-BenzC36 AMGN/ACoolant Temp Sensor
1996Mercedes-BenzE300N/ACoolant Temp Sensor
1996Mercedes-BenzS320N/ACoolant Temp Sensor
1996Mercedes-BenzS420N/ACoolant Temp Sensor
1996Mercedes-BenzS500N/ACoolant Temp Sensor
1996Mercedes-BenzS600N/ACoolant Temp Sensor
1996Mercedes-BenzSL320N/ACoolant Temp Sensor
1996Mercedes-BenzSL500N/ACoolant Temp Sensor
1996Mercedes-BenzSL600N/ACoolant 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:

0115425117115425117171255937906A14256CT0080SU13837

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