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Four Seasons 39508 A/C Expansion Valve
| Brand | Four Seasons 39508 |
|---|---|
| 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 |
| 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 | 1.3 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Chevrolet · 8 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C flow control.
Aluminum construction. Lightweight design resists corrosion in demanding HVAC service.
Block type valve. Engineered for precise refrigerant metering in compact systems.
Cross-references Dynomax 39508, Global Parts Distributors LLC 3411519 and UAC EX10492C for the same application. See all 9.
Four Seasons 39508 Expansion Valve Overview
Four Seasons 39508 is a block-type A/C expansion valve for R134A systems, built from aluminum for use in automotive HVAC service. It is a direct-fit style replacement for the Chevrolet Sonic and is specified for 2013-2020 Chevrolet Sonic expansion valve applications.
As part of the Four Seasons Expansion Valve line, this component is built to meet or exceed OEM requirements and is configured without a solenoid. The 1.5-ton design, 1.3 super heat setting, and sealing-washer inlet and outlet connections support accurate refrigerant metering in the A/C system.
Key Features
- Four Seasons Expansion Valve, part number 39508
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Female liquid and suction connections with sealing washer style
- 2 mounting holes for block-style installation
- 1.5 tonnage rating with 1.3 super heat
- Meets or exceeds OEM specifications
- Style without solenoid
Product Details
This A/C expansion valve regulates refrigerant flow into the evaporator, helping maintain proper system pressure and cooling performance. Four Seasons 39508 uses female suction and liquid fittings with non-threaded sealing-washer interfaces, including No. 10 and No. 12 suction connections and No. 6 and No. 8 liquid connections. For Chevrolet Sonic owners searching for a replacement A/C expansion valve, this part number 39508 provides a service-ready option for 2013-2020 Chevrolet Sonic HVAC repair.
This part cross-references UAC EX10492C for the same application.
What It Helps Address
- Weak or inconsistent cabin cooling
- Improper refrigerant metering at the evaporator
- A/C performance issues caused by a worn expansion valve
- Pressure imbalance in the HVAC refrigerant circuit
- Service replacement needs on 2013-2020 Chevrolet Sonic A/C systems
Installation Notes and Tips
Verify refrigerant type, fitting style, and mounting-hole layout before installation. Replace sealing washers as required during A/C service, and evacuate and recharge the system according to OEM procedures after the valve is installed. Confirm the vehicle application by year and model before ordering; this part is listed for 2013-2020 Chevrolet Sonic expansion valve service.
Quality Assurance
Four Seasons states that this expansion valve meets or exceeds OEM requirements. The part is built for automotive HVAC service and is specified for R134A systems used in Chevrolet Sonic applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2019 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2018 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2017 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2016 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2015 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2014 | Chevrolet | Sonic | N/A | Expansion Valve |
| 2013 | Chevrolet | Sonic | N/A | Expansion Valve |
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