HomeBelts and Cooling > SwitchesFour Seasons 37381 Engine Cooling Fan Temperature Switch
Part #: 37381

Four Seasons 37381 Engine Cooling Fan Temperature Switch

Temperature Switch
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$68.29Free 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
📦Temperature Switch
🚗Fitment: Nissan, Maxima and Stanza
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Engine Cooling Fan Temperature Switch

The Four Seasons Temperature Switch 37381 is designed to regulate the engine cooling fan operation in Nissan Maxima vehicles. This temperature switch ensures the cooling system activates at precise temperatures to maintain optimal engine performance and prevent overheating.

  • Compatible with Nissan Maxima models
  • Temperature switch with on/off activation at 215°F and 206°F
  • Rectangular female connector with 2 terminals
  • System mount radiator temperature switch
  • Meets or exceeds OEM specifications

Four Seasons Temperature Switch Product Line Details

The Four Seasons Temperature Switch line focuses on reliable temperature-activated switches for engine cooling systems. This product line is engineered to provide accurate temperature sensing and switching functions, ensuring proper fan control and engine temperature management. The 37381 part is a radiator mount switch designed for system mounting, offering compatibility and performance aligned with original equipment standards.

Detailed Product Description and Attributes

The Four Seasons 37381 Engine Cooling Fan Temperature Switch features a rectangular female connector with two terminals, facilitating secure and straightforward electrical connections. It is designed to mount directly on the radiator system, providing precise temperature sensing. The switch activates the cooling fan at 215°F and deactivates it at 206°F, maintaining the engine within the optimal temperature range. This temperature switch meets or exceeds OEM requirements, ensuring dependable operation in Nissan Maxima vehicles.

Common Applications and Problem Resolution

  • Prevents engine overheating by activating the cooling fan at the correct temperature
  • Resolves issues with cooling fan not turning on or off properly
  • Replaces faulty or worn temperature switches in Nissan Maxima cooling systems
  • Helps maintain consistent engine temperature for improved performance
  • Addresses radiator mount switch failures affecting fan control

Installation Notes and Tips

When installing the Four Seasons 37381 temperature switch, ensure the radiator system mount location is clean and free of debris. Verify the connector shape and terminal quantity match the vehicle’s wiring harness for proper fitment. Use appropriate tools to avoid damaging the switch or connector during installation. Confirm the switch is securely mounted and electrical connections are tight to prevent intermittent operation.

Quality Assurance and Warranty Information

This Four Seasons Temperature Switch 37381 is manufactured to meet or exceed OEM standards, providing reliable temperature sensing and switching performance. The product undergoes quality control testing to ensure durability and functionality. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandFour Seasons
Part Number37381
PositionTemperature Switch
Connector GenderFemale
Connector ShapeRectangular
DescriptionSwitch-Temp /Radiator Mount
Functiontemperature switch
Meets / Exceeds OEM?YES
Mnt Sys LocSystem Mount
StyleTemperature
Temperature Off206
Temperature On215
Terminal Quantity2
TypeTemperature

This part fits 6 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1989NissanMaximaN/ATemperature Switch
1988NissanMaximaN/ATemperature Switch
1987NissanMaximaN/ATemperature Switch
1986NissanMaximaManualN/ATemperature Switch
1985NissanMaximaManualN/ATemperature Switch
1984NissanMaximaManualN/ATemperature Switch

* 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:

2159502E0021595D400037381A03781SW528

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