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Four Seasons 20952 A/C Trinary Switch
Overview of Four Seasons Pressure Switch 20952
The Four Seasons Pressure Switch 20952 is a system-mounted trinary pressure switch designed for select Acura and Mazda vehicles. Engineered to meet or exceed OEM specifications, this 12-volt pressure switch ensures reliable operation of your vehicle's HVAC system, particularly in models like the Acura NSX and Mazda CX-7.
- 12-volt electrical system compatibility
- Male pin terminal type with four terminals
- Gray color housing with steel construction
- 3/8" x 24 male fitting thread size
- Weather Pack connector for secure connections
- Open comp and fan switch operation
- System-mounted trinary pressure switch style
- Compatible with Acura and Mazda models including 2, 3, 5, 6, 626, CX-7, MX-6, and NSX
Four Seasons Pressure Switch Product Line Details
The Pressure Switch product line from Four Seasons focuses on delivering reliable HVAC control components that integrate seamlessly with vehicle air conditioning clutch and compressor systems. The 20952 A/C Trinary Switch is part of this line, providing precise pressure monitoring and control to protect the compressor and regulate fan operation in compatible Acura and Mazda vehicles.
Detailed Product Description
This Four Seasons Pressure Switch 20952 is a trinary pressure switch designed to monitor refrigerant pressure within the A/C system. It features a 12-volt rating and a durable steel body with a gray finish. The switch includes a male Weather Pack connector with four pin terminals, ensuring a secure and weather-resistant electrical connection. The 3/8" x 24 male fitting thread size allows for direct system mounting, simplifying installation. Both the compressor and fan switches operate in an open state, providing accurate pressure control to maintain system efficiency and protect components.
Common Applications and Issues Addressed
- Prevents compressor damage due to abnormal refrigerant pressure
- Controls fan operation to maintain optimal engine temperature
- Ensures proper A/C clutch engagement in Acura and Mazda models
- Helps avoid system shutdowns caused by pressure irregularities
- Maintains HVAC system performance in vehicles like the Mazda MX-6 and Acura 3
Installation Notes and Tips
- Verify compatibility with your specific Acura or Mazda model before installation
- Ensure the system is depressurized before removing the old pressure switch
- Use appropriate tools to avoid damaging the 3/8" x 24 male fitting thread
- Check electrical connections for secure fit with the Weather Pack male connector
- Follow vehicle manufacturer torque specifications when mounting the switch
Quality Assurance and Warranty
The Four Seasons Pressure Switch 20952 meets or exceeds OEM standards for fit, form, and function. Constructed from steel with a weather-resistant connector, it is built for durability in demanding automotive environments. This part is backed by Four Seasons' quality assurance protocols, ensuring reliable performance in compatible Acura and Mazda vehicles. Warranty details are provided by Four Seasons and should be confirmed at the time of purchase.
| Brand | Four Seasons |
| Part Number | 20952 |
| Position | Pressure Switch |
| Color | Gray |
| Comp Open/Closed | Open |
| Connector Gender | Male |
| Description | System Mounted Trinary Pressure Switch |
| Fan Open/Closed | Open |
| Fitting Gender | Male |
| Fitting Thread Size | 3/8" 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 | 4 |
| Style | Pressure |
| Terminal Type | Pin |
| Type | Trinary |
| Voltage | 12 |
| Weather Pack? | Yes |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Mazda | 2 | N/A | Pressure Switch | ||
| 2013 | Mazda | 2 | N/A | Pressure Switch | ||
| 2012 | Mazda | 2 | N/A | Pressure Switch | ||
| 2011 | Mazda | 2 | N/A | Pressure Switch | ||
| 2010 | Mazda | 5 | N/A | Pressure Switch | ||
| 2009 | Mazda | 3 | N/A | Pressure Switch | ||
| 2009 | Mazda | 5 | N/A | Pressure Switch | ||
| 2008 | Mazda | 3 | N/A | Pressure Switch | ||
| 2008 | Mazda | 5 | N/A | Pressure Switch | ||
| 2008 | Mazda | CX-7 | N/A | To 5/1/08; Pressure Switch | ||
| 2007 | Mazda | 3 | N/A | Pressure Switch | ||
| 2007 | Mazda | 5 | N/A | Pressure Switch | ||
| 2007 | Mazda | 6 | N/A | Pressure Switch | ||
| 2007 | Mazda | CX-7 | N/A | Pressure Switch | ||
| 2006 | Mazda | 3 | N/A | Pressure Switch | ||
| 2006 | Mazda | 5 | N/A | Pressure Switch | ||
| 2006 | Mazda | 6 | N/A | Pressure Switch | ||
| 2005 | Acura | NSX | N/A | Pressure Switch | ||
| 2005 | Mazda | 3 | N/A | Pressure Switch | ||
| 2004 | Acura | NSX | N/A | Pressure Switch | ||
| 2004 | Mazda | 3 | N/A | Pressure Switch | ||
| 2003 | Acura | NSX | N/A | Pressure Switch | ||
| 2002 | Acura | NSX | N/A | Pressure Switch | ||
| 2001 | Acura | NSX | N/A | Pressure Switch | ||
| 2000 | Acura | NSX | N/A | Pressure Switch | ||
| 1999 | Acura | NSX | N/A | Pressure Switch | ||
| 1998 | Acura | NSX | N/A | Pressure Switch | ||
| 1997 | Acura | NSX | N/A | Pressure Switch | ||
| 1997 | Mazda | 626 | N/A | Pressure Switch | ||
| 1996 | Acura | NSX | N/A | Pressure Switch | ||
| 1996 | Mazda | 626 | N/A | Pressure Switch | ||
| 1996 | Mazda | MX-6 | 2.5L | V6 | N/A | Pressure Switch |
| 1995 | Acura | NSX | N/A | Pressure Switch | ||
| 1995 | Mazda | 626 | N/A | Pressure Switch | ||
| 1995 | Mazda | MX-6 | 2.5L | V6 | N/A | Pressure Switch |
| 1994 | Acura | NSX | N/A | Pressure Switch | ||
| 1994 | Mazda | 626 | N/A | Pressure Switch | ||
| 1994 | Mazda | MX-6 | 2.5L | V6 | N/A | Pressure 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.