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Four Seasons 37350 HVAC Pressure Switch
| Brand | Four Seasons 37350 |
|---|---|
| Terminal Type | Pin |
| Connector Shape | Oval |
| Connector Gender | Female |
| Color | Gray |
| Comp Open/Closed | Open |
| Description | Switch-pressure /system mount |
| Fitting Gender | Female |
| Fitting Thread Size | 10mm x 1.25 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mnt Sys Loc | System mounted |
| Number of Terminals | 2 |
| Operate Psi Low Off | 28 |
| Operate Psi Low On | 40 |
| Style | Binary |
| Type | Pressure |
| Weather Pack? | Yes |
| Fits | — |
OE direct replacement. Meets or exceeds OEM requirements for dependable system control.
Steel construction. Built for durable pressure-switch performance in demanding conditions.
Weather Pack connector. Sealed connection helps resist moisture and contamination.
Cross-references Four Seasons 37350, OSC 1511 and 1MR3550M for the same application. See all 17.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Four Seasons 37350 HVAC Pressure Switch
Four Seasons 37350 is a system-mounted HVAC pressure switch built for pressure-based A/C control. It uses a binary open/closed design with a 10mm x 1.25 female fitting, oval female connector, and two pin terminals for direct service replacement on the HVAC system.
Key Features
- Binary pressure switch with open/closed operation
- Operates at 40 psi on and 28 psi off
- System-mounted design for HVAC pressure monitoring
- 10mm x 1.25 female threaded fitting
- Oval female connector with 2 terminals
- Steel construction with gray finish
- Weather Pack connection
- Meets or exceeds OEM specifications
Detailed Description
This Four Seasons Pressure Switch line is built for accurate HVAC pressure control in automotive air conditioning systems. Part number 37350 is a direct-fit style pressure switch with a binary function that opens and closes the circuit based on system pressure, helping the A/C system respond properly during normal operation. It is a practical replacement for service work on vehicles such as Honda Civic and similar applications that use this style of system-mounted pressure switch. Four Seasons 37350 is also referenced by cross numbers such as OSC 1511 for the same application.
What It Helps Solve
- A/C compressor cycling caused by incorrect pressure switch operation
- HVAC system shutdown related to pressure circuit faults
- Intermittent compressor engagement from worn switch contacts
- Electrical connection issues at the pressure switch connector
- Service replacement needs for a failed system-mounted pressure switch
Installation Notes and Tips
Confirm the fitting thread size, connector shape, terminal count, and pressure settings before installation. This switch uses a female 10mm x 1.25 fitting, oval female connector, and pin terminals, so matching the original HVAC connector and mounting style is important. Verify the vehicle’s pressure switch location and system requirements before replacing the part on Honda Civic or other listed applications.
Quality Assurance
Four Seasons 37350 meets or exceeds OEM specifications for the listed pressure-switch design and is built with steel construction for service replacement use.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||