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Four Seasons 37351 HVAC Binary Switch
| Brand | Four Seasons 37351 |
|---|---|
| Terminal Type | Pin |
| Connector Shape | Round |
| Connector Gender | Female |
| Color | Green |
| Comp Open/Closed | Closed |
| Description | Switch-pressure /system mount |
| Fan Open/Closed | Closed |
| Fitting Gender | Female |
| Fitting Thread Size | 10mm x 1.25 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mnt Sys Loc | System mounted |
| Number of Terminals | 4 |
| Operate Psi Low Off | 270 |
| Operate Psi Low On | 325 |
| Style | Binary |
| Type | Pressure |
| Weather Pack? | Yes |
| Fits | — |
OE direct replacement. System-mounted pressure switch with OEM-level fit and function.
Steel construction. Built for durable performance in demanding HVAC systems.
Weather Pack connector. Sealed connection helps resist moisture and contamination.
Cross-references Four Seasons 37351, Global Parts Distributors LLC 1711760 and OSC 1324 for the same application. See all 13.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Four Seasons 37351 HVAC Binary Pressure Switch
The Four Seasons Pressure Switch 37351 is a system-mounted HVAC binary switch built for pressure-based compressor protection and control. It uses a round female connector, pin terminals, and a 10mm x 1.25 female thread for a direct-style service replacement in the air conditioning system.
For drivers searching for an HVAC pressure switch for Honda Civic or similar vehicle air conditioning service, this Four Seasons pressure switch is built to meet or exceed OEM requirements and uses a steel housing with Weather Pack protection.
Key Features
- Binary HVAC pressure switch with closed comp open/closed and fan open/closed operation
- System-mounted design for pressure monitoring in the A/C circuit
- 4-pin, round female connector with pin terminals
- 10mm x 1.25 female fitting thread size
- Steel construction with green finish
- Operate pressure range: 270 psi low off, 325 psi low on
- Meets or exceeds OEM specifications
- Weather Pack equipped
Product Details
Four Seasons Pressure Switch line components are used to monitor refrigerant pressure and help control compressor and fan operation in automotive HVAC systems. Part number 37351 is a binary pressure switch that opens and closes at defined pressure thresholds, helping the system respond to pressure changes in a controlled way. If you are replacing a faulty A/C pressure switch on a Honda Civic or another vehicle using this style of system-mounted switch, 37351 provides the correct connector style, thread size, and terminal layout for service work.
This part cross-references Global Parts Distributors LLC 1711760 for the same application.
Common Problems This Part Can Address
- A/C compressor cycling on and off incorrectly
- Compressor not engaging due to pressure switch failure
- Cooling fan control issues tied to HVAC pressure input
- Intermittent A/C operation from worn switch contacts
- Pressure-related shutdowns in the air conditioning system
Installation Notes
Verify the connector shape, terminal count, and 10mm x 1.25 thread size before installation. This is a system-mounted pressure switch, so the refrigerant circuit should be inspected and serviced according to vehicle procedures before replacement. Confirm the vehicle uses a binary pressure switch with the listed pressure thresholds and connector style.
Quality Assurance
Four Seasons 37351 is built to meet or exceed OEM specifications for fit and function. The Four Seasons Pressure Switch line is used in automotive HVAC service applications where accurate pressure signaling is required for compressor and fan control.
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|---|---|---|---|---|
| No rows match your filter. | ||||