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Four Seasons 39480 A/C Expansion Valve
| Brand | Four Seasons 39480 |
|---|---|
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.34 |
| Liquid Inlet Size MM | 8.6 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Sealing Washer |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24401] / Slim Line Sealing Washer |
| O-Ring B Number/Desc | [24402] / Slimline Washer |
| O-Ring C Number/Desc | [24403] / Slimline Washer |
| O-Ring D Number/Desc | [24404] / Slimline Washer |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.63 |
| Suc In Size MM | 16 |
| Suc Out Size IN | 0.700 |
| Suc Out Size MM | 17.7 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Sealing Washer |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Sealing Washer |
| Super Heat | 3.500 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Buick and Chevrolet · 24 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for a confident fit.
Aluminum block type. Lightweight construction with sealing-washer connections.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references Four Seasons 39480, Global Parts Distributors LLC 3411519 and UAC EX10401C for the same application. See all 11.
Four Seasons 39480 Expansion Valve
The Four Seasons 39480 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It is an aluminum replacement that meets or exceeds OEM requirements and is specified for 1.5 ton applications with a 3.5 super heat setting.
Use this Four Seasons expansion valve when servicing Buick Encore, Buick Encore GX, Chevrolet Trax, or Chevrolet Sonic air conditioning systems that require a block-style valve with sealing washer connections. The 39480 is designed for direct replacement service in R134A-equipped vehicles.
Key Features
- Block-type A/C expansion valve for HVAC refrigerant control
- Aluminum construction with aluminum finish
- R134A refrigerant type
- Female suction and liquid fittings with sealing washer style connections
- Meets or exceeds OEM specifications
- Designed for 1.5 ton systems with 3.5 super heat
- Style without solenoid
- Four Seasons 39480 part number for service identification
Detailed Description
Four Seasons Expansion Valve 39480 regulates refrigerant flow into the evaporator to support proper A/C system operation. Its block-type design, aluminum body, and sealing washer inlet and outlet connections make it a direct-fit service part for select GM compact vehicles. This valve is listed for 2013-2022 Buick Encore, 2020-2022 Buick Encore GX, 2013-2022 Chevrolet Trax, and 2012 Chevrolet Sonic applications. Cross-reference part numbers include UAC EX10401C and Global Parts Distributors LLC 3411519 for the same application.
Common Repair Symptoms
- Weak or inconsistent cabin cooling
- Incorrect refrigerant metering at the evaporator
- A/C performance loss in Buick Encore or Chevrolet Trax systems
- Temperature fluctuation during compressor cycling
- Service replacement for a worn or restricted expansion valve
Installation Notes and Tips
Verify the vehicle’s refrigerant type, fitting style, and valve configuration before installation. This part uses female suction and liquid connections with sealing washer interfaces and does not include a solenoid. Confirm the original system matches the block-type layout and the listed fitment before reassembly and evacuation/recharge procedures.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, supporting service-grade replacement quality for the specified applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2022 | Buick | Encore | N/A | Expansion Valve |
| 2022 | Buick | Encore GX | N/A | Expansion Valve |
| 2022 | Chevrolet | Trax | N/A | Expansion Valve |
| 2021 | Buick | Encore | N/A | Expansion Valve |
| 2021 | Buick | Encore GX | N/A | Expansion Valve |
| 2021 | Chevrolet | Trax | N/A | Expansion Valve |
| 2020 | Buick | Encore | N/A | Expansion Valve |
| 2020 | Buick | Encore GX | N/A | Expansion Valve |
| 2020 | Chevrolet | Trax | N/A | Expansion Valve |
| 2019 | Buick | Encore | N/A | Expansion Valve |
| 2019 | Chevrolet | Trax | N/A | Expansion Valve |
| 2018 | Buick | Encore | N/A | Expansion Valve |
| 2018 | Chevrolet | Trax | N/A | Expansion Valve |
| 2017 | Buick | Encore | N/A | Expansion Valve |
| 2017 | Chevrolet | Trax | N/A | Expansion Valve |
| 2016 | Buick | Encore | N/A | Expansion Valve |
| 2016 | Chevrolet | Trax | N/A | Expansion Valve |
| 2015 | Buick | Encore | N/A | Expansion Valve |
| 2015 | Chevrolet | Trax | N/A | Expansion Valve |
| 2014 | Buick | Encore | N/A | Expansion Valve |
| 2014 | Chevrolet | Trax | N/A | Expansion Valve |
| 2013 | Buick | Encore | N/A | Expansion Valve |
| 2013 | Chevrolet | Trax | N/A | Expansion Valve |
| 2012 | Chevrolet | Sonic | N/A | Expansion Valve |
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