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Four Seasons 39504 A/C Expansion Valve
| Brand | Four Seasons 39504 |
|---|---|
| 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 | -2.2 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Chevrolet · 2 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Block type design. Aluminum construction with sealing washer connections.
R134A compatible. Built for use with R134A refrigerant systems.
Cross-references Four Seasons 39504, Global Parts Distributors LLC 3411567 and UAC EX529495C for the same application. See all 11.
Four Seasons 39504 Expansion Valve for Impala
The Four Seasons 39504 expansion valve is a block-type A/C flow restrictor built for R134A systems and engineered to meet or exceed OEM requirements. It is a direct-fit HVAC service part for 2014-2015 Chevrolet Impala applications with the listed expansion valve configuration.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39504
- Block type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- 2 mounting holes
- Female suction and liquid fittings with sealing washer style connections
- Meets or exceeds OEM specifications
- Style: without solenoid
- Super heat setting: -2.2
- Tonnage: 1.5
Detailed Description
Four Seasons 39504 is an aluminum A/C expansion valve designed to regulate refrigerant flow in the HVAC system and maintain proper evaporator performance. The block-type design uses female suction and liquid inlet/outlet connections with sealing washer interfaces, along with No. 10 and No. 12 suction thread diameters and No. 6 and No. 8 liquid thread diameters. This part is listed for 2014-2015 Chevrolet Impala models and is a direct replacement for the original expansion valve configuration. Four Seasons 39504 also cross-references UAC EX529495C for the same application.
What It Helps Address
- Weak or inconsistent cabin cooling
- Refrigerant flow restriction caused by a worn expansion valve
- Improper evaporator feed in an R134A A/C system
- HVAC performance issues tied to incorrect superheat control
- Service replacement needs on a 2014-2015 Chevrolet Impala A/C system
Installation Notes and Tips
Verify the vehicle’s refrigerant type, fitting style, and port sizes before installation. This Four Seasons 39504 expansion valve is a block-type, non-solenoid design, so confirm the original system uses the same configuration on the 2014-2015 Chevrolet Impala. Replace only after the A/C system has been properly evacuated and inspected, and follow OEM service procedures for sealing washer connections and refrigerant recharge.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, making it a service-grade replacement for the specified application. The part number 39504 is supported by interchange references including Global Parts Distributors LLC 3411567 and UAC EX529495C.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Chevrolet | Impala | N/A | Expansion Valve |
| 2014 | Chevrolet | Impala | N/A | Expansion Valve |
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