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Four Seasons 39128 A/C Expansion Valve
| Brand | Four Seasons 39128 |
|---|---|
| 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 |
| 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 | Scion · 6 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for a confident fit.
Aluminum construction. Lightweight design with captured O-ring connections.
Block type. Built for R134A systems without a solenoid.
Cross-references Four Seasons 39128, Global Parts Distributors LLC 3411344 and Global Parts Distributors LLC 3411890 for the same application. See all 17.
Four Seasons 39128 Expansion Valve for Scion xA and xB
Four Seasons 39128 is a block-type A/C expansion valve for R134A systems. It is built from aluminum and uses captured O-ring connections to support precise refrigerant metering in the HVAC circuit.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Female suction inlet and outlet fittings with No. 12 thread diameter
- Female liquid inlet and outlet fittings with No. 6 and No. 10 thread diameters
- Captured O-ring liquid and suction connections for secure sealing
- Two mounting holes for direct installation
- Meets or exceeds OEM specifications
- Style: w/o solenoid
Product Details
This Four Seasons Expansion Valve line part, part number 39128, regulates refrigerant flow into the evaporator to help maintain proper A/C performance. It is listed for 2004-2006 Scion xA and 2004-2006 Scion xB applications, making it a direct-fit option for owners searching for a 2004-2006 Scion xA expansion valve, 2004-2006 Scion xB A/C expansion valve, or Four Seasons 39128 replacement. The valve uses captured O-ring inlet and outlet styles, includes the specified green O-ring sealing points, and is configured for 1.5 tonnage systems.
This part cross-references Global Parts Distributors LLC 3411344 and 3411890 for the same application.
Common A/C Issues This Part Can Address
- Incorrect refrigerant metering at the evaporator
- Weak or inconsistent cabin cooling
- Frosting or temperature instability in the HVAC system
- Restricted A/C flow caused by a worn expansion valve
- Leak concerns at the valve connection points
Installation Notes
Verify the vehicle’s refrigerant type, line connection style, and mounting layout before installation. Replace the valve only after the system has been properly recovered and evacuated, and inspect the mating O-ring surfaces and A/C lines for wear or contamination. Confirm the application against the vehicle’s HVAC configuration for 2004-2006 Scion xA and 2004-2006 Scion xB before final assembly.
Quality Assurance
Four Seasons designs this expansion valve to meet or exceed OEM requirements for the listed applications. The Four Seasons 39128 part number is used as an OE-style replacement for service work on Scion xA and Scion xB A/C systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Scion | xA | N/A | Expansion Valve |
| 2006 | Scion | xB | N/A | Expansion Valve |
| 2005 | Scion | xA | N/A | Expansion Valve |
| 2005 | Scion | xB | N/A | Expansion Valve |
| 2004 | Scion | xA | N/A | Expansion Valve |
| 2004 | Scion | xB | N/A | Expansion Valve |
| No rows match your filter. | ||||