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Four Seasons 20953 HVAC Binary Switch
| Brand | Four Seasons 20953 |
|---|---|
| Comp Open/Closed | Open |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Description | Switch-Pressure /System Mount |
| Fitting Gender | Male |
| Fitting Thread Size | 3/8 in. x 24 |
| Item Included A Desc | 24606 |
| Item Included A Qty. | 1 |
| Material | Steel |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | System Mounted |
| Number of Terminals | 2 |
| Style | Binary |
| Type | Pressure |
| Product line | Pressure Switch |
| Fits | Mazda · 5 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable system control.
Steel construction. Built with a durable metal body for long service life.
Binary pressure switch. Provides simple open-and-close control for HVAC operation.
Cross-references Four Seasons 20953, Global Parts Distributors LLC 1711496 and UAC SW11217C for the same application. See all 11.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Four Seasons 20953 Pressure Switch Overview
Four Seasons 20953 is a system-mounted HVAC binary pressure switch built for pressure monitoring in the air conditioning circuit. It uses a rectangular female connector, a 2-terminal layout, and a steel body with a male 3/8 in. x 24 fitting thread size for direct service replacement.
Compatible with select Mazda HVAC pressure switch applications, this part is a direct-fit option for 1993 Mazda 626, 1992-1993 Mazda MX-3, and 1992-1993 Mazda MX-6. The Four Seasons Pressure Switch line focuses on pressure-based control for A/C system operation, helping maintain proper compressor circuit response.
Key Features
- Four Seasons Pressure Switch part number 20953
- Binary pressure switch style for HVAC system control
- System-mounted design with open compressor switch state
- Rectangular female connector with 2 terminals
- Steel construction for service replacement use
- Male fitting with 3/8 in. x 24 thread size
- Meets or exceeds OEM requirements
Detailed Product Information
This HVAC binary switch is used in pressure-sensitive air conditioning circuits where the system needs a clear open/closed signal based on refrigerant pressure. Four Seasons 20953 is built for direct replacement service on Mazda 626, MX-3, and MX-6 applications listed in the fitment data. If you are searching for a 1993 Mazda 626 pressure switch or a 1992-1993 Mazda MX-6 HVAC pressure switch, this part number is the relevant match.
This part cross-references UAC SW11217C for the same application.
Common Issues This Part May Address
- A/C compressor not engaging due to pressure switch failure
- Intermittent compressor cycling from an inaccurate pressure signal
- HVAC system shutdown caused by an open switch condition
- Faulty pressure-based control in the air conditioning circuit
- Service replacement needs for a worn or damaged system-mounted switch
Installation Notes and Tips
Verify connector shape, terminal count, and fitting thread size before installation. Confirm the vehicle uses the listed system-mounted pressure switch configuration and match the replacement to the original part number 20953 when servicing Mazda 626, MX-3, or MX-6 HVAC systems. Inspect the connector and fitting surfaces for wear or contamination before reconnecting the A/C circuit.
Quality Assurance
Four Seasons states that this pressure switch meets or exceeds OEM requirements, making it a service-grade replacement for the listed Mazda applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Mazda | 626 | N/A | Pressure Switch |
| 1993 | Mazda | MX-3 | N/A | Pressure Switch |
| 1993 | Mazda | MX-6 | N/A | Pressure Switch |
| 1992 | Mazda | MX-3 | N/A | Pressure Switch |
| 1992 | Mazda | MX-6 | N/A | Pressure Switch |
| No rows match your filter. | ||||