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Four Seasons 39254 A/C Expansion Valve
Overview of Four Seasons Expansion Valve 39254
The Four Seasons Expansion Valve 39254 is designed specifically for Subaru Impreza models, ensuring precise control of refrigerant flow in the vehicle's air conditioning system. Crafted from durable aluminum with a gold finish, this block-type A/C expansion valve is engineered for compatibility with R134a refrigerant systems.
- Material: Aluminum construction with gold color finish
- Type: Block type A/C expansion valve
- Refrigerant Compatibility: Designed for R134a refrigerant
- Mounting: Features 2 mounting holes for secure installation
- Fittings: Female suction and liquid inlet/outlet fittings with specific thread diameters
- O-Rings: Includes green o-rings [24606] and [24608] for proper sealing
- OEM Compliance: Meets or exceeds original equipment manufacturer standards
Detailed Product Description
The Four Seasons Expansion Valve 39254 is a critical component in the HVAC system of Subaru Impreza vehicles, regulating the flow of refrigerant to maintain optimal cooling performance. Its aluminum body offers corrosion resistance and durability, while the gold finish provides additional protection. The valve is designed as a block type, which simplifies installation and integration into the A/C system. Both suction inlet and outlet fittings are female with No. 12 thread diameters, and the liquid inlet and outlet fittings are female with No. 6 and No. 8 thread diameters respectively, all featuring insert o-ring styles to ensure leak-free connections.
This expansion valve is compatible with R134a refrigerant, the standard for many modern automotive A/C systems. The inclusion of green o-rings [24606] and [24608] ensures a proper seal, preventing refrigerant loss and maintaining system efficiency. The valve’s design meets or exceeds OEM specifications, providing reliable performance and fitment for Subaru Impreza models.
About the Four Seasons Expansion Valve Product Line
The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant flow control components for automotive air conditioning systems. This line is engineered to meet OEM standards, offering reliable fitment and performance for specific vehicle applications. The 39254 model exemplifies this approach by providing a block-type valve designed for Subaru Impreza vehicles, ensuring compatibility and durability within the HVAC system.
Common Applications and Issues Addressed
- Regulates refrigerant flow to maintain consistent cabin cooling
- Prevents A/C system freezing or overheating due to improper refrigerant metering
- Replaces faulty or leaking expansion valves in Subaru Impreza A/C systems
- Helps restore proper pressure balance within the HVAC system
- Addresses issues related to inconsistent air conditioning performance
Installation Notes and Tips
- Ensure compatibility with Subaru Impreza models before installation
- Use proper tools to avoid damaging the aluminum body or fittings
- Replace O-rings with those provided to maintain a secure seal
- Follow manufacturer torque specifications for mounting bolts
- Check for refrigerant leaks after installation and system recharge
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39254 is manufactured to meet or exceed OEM quality standards, ensuring reliable performance and durability. The product includes factory-installed green o-rings for proper sealing and is tested for fit and function. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region or distributor.
| Brand | Four Seasons |
|---|---|
| Part Number | 39254 |
| Position | Expansion Valve |
| Color | Gold |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.4 |
| Liquid Inlet Size MM | 10.2 |
| Liquid Inlet Style | Captured O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Insert O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Female Insert O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.550 |
| Lqd Out Size MM | 14.000 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24606] / Green O-Ring |
| O-Ring B Number/Desc | [24608] / Green O-Ring |
| O-Ring C Number/Desc | [24610] / Green O-Ring |
| O-Ring D Number/Desc | [24612] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.69 |
| Suc In Size MM | 17.6 |
| Suc Out Size IN | 0.72 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 12 |
| Suction Inlet Style | Female Insert O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Insert O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Captured O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | 5.000 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Subaru | Impreza | L | 2.2L | H4 | N/A | Expansion Valve |
| 1997 | Subaru | Impreza | Brighton | 1.8L | H4 | N/A | Expansion Valve |
| 1997 | Subaru | Impreza | Brighton | 2.2L | H4 | N/A | Expansion Valve |
| 1997 | Subaru | Impreza | Outback | 2.2L | H4 | N/A | Expansion Valve |
* 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.