Four Seasons 37807 A/C Condenser Fan Switch

Brand Four Seasons 37807
Connector Color Black
Connector Shape Oval
Terminal Quantity 2
Connector Gender Female
Description Switch-pressure /system mount
Fitting Gender Female
Fitting Thread Size M10
Mnt Sys Loc System mounted
Operate Psi Med Off 100
Operate Psi Med On 250
Style Pressure
Type Condenser fan
Fits —

Pressure switch. System-mounted design helps control condenser fan operation.

Condenser fan type. Built for pressure-based fan control in the A/C system.

M10 threaded fitting. Female connection with an oval, black 2-terminal connector.

Cross-references Four Seasons 37807, Hygrade Tuneup 1451 and 41PS114 for the same application. See all 9.

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Four Seasons 37807 Pressure Switch

Four Seasons 37807 is a system-mounted A/C condenser fan pressure switch built for HVAC control in automotive cooling systems. It uses a black oval female connector with 2 terminals and an M10 female thread for direct pressure-based operation.

Key Features

  • Brand: Four Seasons Pressure Switch line
  • Part number: 37807
  • Type: A/C condenser fan switch
  • Pressure-operated system mount design
  • Black oval connector with female terminals
  • 2-terminal electrical connection
  • M10 female fitting thread size
  • Operates off at 100 psi and on at 250 psi

Product Details

The Four Seasons Pressure Switch line focuses on HVAC pressure control components used to manage condenser fan operation based on system pressure. This Four Seasons 37807 switch is a pressure-style condenser fan switch with a system-mounted layout, making it a direct-fit service part for vehicles that use an M10 threaded pressure connection and a 2-terminal electrical interface. It is a practical replacement for A/C condenser fan switch service on applications such as Honda Civic and similar vehicle platforms that rely on pressure-triggered fan control.

This part cross-references Hygrade Tuneup 1451 for the same application.

What It Helps Address

  • Condenser fan not switching on at the correct pressure
  • Intermittent A/C fan control caused by a faulty pressure switch
  • Incorrect system pressure signal to the HVAC circuit
  • A/C performance issues tied to condenser fan operation
  • Electrical connection problems at the pressure switch interface

Installation Notes and Tips

Verify the connector shape, terminal count, and M10 thread size before installation. Confirm the pressure switch location on the system-mounted HVAC circuit and compare the operating thresholds to the original component. For fitment-based searches, this part is commonly referenced for Honda Civic A/C condenser fan switch replacement and other vehicle applications using the same pressure-switch configuration.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts, and the 37807 pressure switch is built to match the specified electrical and pressure-actuation requirements for the application.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 37807Hygrade Tuneup — 145141PS11411082793749617116093521727C18508419A14157