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Four Seasons 39048 A/C Expansion Valve
| Brand | Four Seasons 39048 |
|---|---|
| Color | Aluminum |
| 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 | 10.15 |
| Liquid Inlet Style | Captured O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | Captured O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | O-Ring |
| Lqd Out Size IN | 0.61 |
| Lqd Out Size MM | 15.5 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24611] / Green O-Ring |
| O-Ring B Number/Desc | [24661] / Green O-Ring |
| O-Ring C Number/Desc | [24681] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.72 |
| Suc In Size MM | 18.3 |
| 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 | Captured O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | 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 | O-Ring |
| Super Heat | -1.000 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Chevrolet, Subaru, and Toyota · 19 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C service.
Aluminum block type. Lightweight construction with captured O-ring connections.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references Four Seasons 39048, Global Parts Distributors LLC 3411344 and Global Parts Distributors LLC 3411840 for the same application. See all 25.
Four Seasons 39048 Expansion Valve Overview
Four Seasons 39048 is a block-type A/C expansion valve for R134A systems. Built from aluminum and engineered to meet or exceed OEM requirements, it regulates refrigerant flow through the evaporator circuit for consistent HVAC performance. This expansion valve is listed for select Subaru Legacy, Subaru Outback, Subaru B9 Tribeca, and Toyota Echo applications.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Captured O-ring liquid and suction connections
- Female inlet and outlet fittings with non-threaded connections
- Meets or exceeds OEM specifications
- Designed without solenoid and without switch
- Direct fit for select Subaru and Toyota HVAC applications
Product Details
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for automotive air conditioning systems. Part number 39048 uses a block-style body with captured O-ring sealing surfaces, female fittings, and non-threaded connections for the liquid and suction ports. It is specified for 1.5 tonnage applications and is listed for 2005-2009 Subaru Legacy, 2005-2009 Subaru Outback, 2006 Subaru B9 Tribeca, and 2000-2003 Toyota Echo HVAC systems. This part cross-references UAC EX10065C for the same application.
What It Helps Address
- Weak or inconsistent cabin cooling
- Improper refrigerant metering at the evaporator
- HVAC performance issues caused by a worn expansion valve
- Refrigerant flow restriction problems in R134A systems
- Service replacement needs on Subaru Legacy, Outback, B9 Tribeca, and Toyota Echo models
Installation Notes and Tips
Verify refrigerant type, port style, and fitment before installation. Replace sealing O-rings as needed and inspect mating surfaces for wear or contamination. Because this valve uses captured O-ring connections and a block-type layout, proper alignment during assembly is important for leak-free operation. Confirm the vehicle application against the listed model years before service.
Quality Assurance
Four Seasons 39048 is built to meet or exceed OEM specifications for the listed applications, supporting dependable HVAC service in select Subaru and Toyota vehicles.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Subaru | Legacy | — | N/A | Expansion Valve |
| 2009 | Subaru | Legacy | Base | N/A | Expansion Valve |
| 2009 | Subaru | Legacy | 2.5i | N/A | Expansion Valve |
| 2009 | Subaru | Legacy | 3.0 R | N/A | Expansion Valve |
| 2009 | Subaru | Legacy | 2.0R | N/A | Expansion Valve |
| 2009 | Subaru | Outback | — | N/A | Expansion Valve |
| 2008 | Subaru | Legacy | — | N/A | Expansion Valve |
| 2008 | Subaru | Outback | — | N/A | Expansion Valve |
| 2007 | Subaru | Legacy | — | N/A | Expansion Valve |
| 2007 | Subaru | Outback | — | N/A | Expansion Valve |
| 2006 | Subaru | B9 Tribeca | — | N/A | Expansion Valve |
| 2006 | Subaru | Legacy | — | N/A | Expansion Valve |
| 2006 | Subaru | Outback | — | N/A | Expansion Valve |
| 2005 | Subaru | Legacy | — | N/A | Expansion Valve |
| 2005 | Subaru | Outback | — | N/A | Expansion Valve |
| 2003 | Toyota | Echo | — | N/A | Expansion Valve |
| 2002 | Toyota | Echo | — | N/A | Expansion Valve |
| 2001 | Toyota | Echo | — | N/A | Expansion Valve |
| 2000 | Toyota | Echo | — | N/A | Expansion Valve |
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