/live/media/FS/FS_39501_Fro.jpg)
Four Seasons 39501 A/C Expansion Valve
| Brand | Four Seasons 39501 |
|---|---|
| Material | Aluminum |
| Color | Aluminum |
| Refrigerant Type | R134a |
| Type | Block type |
| Mounting Hole Quantity | 2 |
| Suction Inlet Fitting Gender | Female |
| Suction Outlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 8 |
| Suction Outlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Thread Type | Not threaded |
| Suction Outlet Thread Type | Not threaded |
| Liquid Inlet Fitting Gender | Female |
| Liquid Outlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Outlet Fitting Thread Diameter | No. 12 |
| Liquid Inlet Thread Type | Not threaded |
| Liquid Outlet Thread Type | Not threaded |
| Description | Expansion valves |
| Liquid Inlet Size IN | 0.34 |
| Liquid Inlet Size MM | 8.6 |
| Liquid Inlet Style | Sealing washer |
| Liquid Inlet Type | Sealing washer |
| Liquid Outlet Style | Sealing washer |
| Liquid Outlet Type | Sealing washer |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suc In Size IN | 0.63 |
| Suc In Size MM | 16 |
| Product line | Expansion Valve |
| Fits | Cadillac and Chevrolet · 10 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Block-type design. Compact A/C expansion valve with sealing-washer connections.
Aluminum construction. Lightweight material resists corrosion in the system.
Cross-references Four Seasons 39501, Global Parts Distributors LLC 3411938 and UAC EX9758C for the same application. See all 14.
Four Seasons 39501 Expansion Valve for A/C Flow Control
Four Seasons 39501 is a block-type A/C expansion valve built for R134A systems and aluminum construction. It regulates refrigerant flow into the evaporator to support stable cabin cooling in confirmed applications, including Cadillac XTS and Chevrolet Impala models.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39501
- Block-type design with aluminum body
- R134A refrigerant type
- Female suction and liquid fittings with sealing washer style connections
- 2 mounting holes
- Meets or exceeds OEM requirements
- Style: without solenoid
- Super heat setting: -2.2
- Fits 1.5 ton applications
Product Details
This Four Seasons expansion valve is engineered for HVAC systems that use a block-style metering design. It features female suction inlet and outlet fittings, female liquid inlet and outlet fittings, and sealing washer interfaces for the refrigerant connections. The valve is specified for R134A service and is listed as meeting or exceeding OEM requirements. Four Seasons 39501 is a direct-fit service part for 2013-2019 Cadillac XTS and 2019-2020 Chevrolet Impala applications, including 2019 Chevrolet Impala with R1234yf noted in fitment data.
This part cross-references UAC EX9758C for the same application.
What It Helps Address
- Weak or inconsistent evaporator refrigerant metering
- Cabin air that does not cool evenly
- Incorrect superheat control in the A/C circuit
- Expansion valve restriction or internal wear
- Service replacement for failed HVAC flow control components
Installation Notes
Verify refrigerant type, fitting style, and mounting-hole layout before installation. Confirm the vehicle uses a block-type expansion valve and match the suction and liquid port sizes to the original component. For best results, evacuate and recharge the system according to factory service procedures after replacement. Fits 2013-2019 Cadillac XTS, N/A. Fits 2019-2020 Chevrolet Impala, N/A. Fits 2019 Chevrolet Impala, N/A.
Quality Assurance
Four Seasons 39501 is listed as meeting or exceeding OEM specifications for the stated applications. The Four Seasons Expansion Valve line is built for service replacement use in automotive HVAC systems.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Impala | — | — | N/A | w/ R1234yf; Expansion Valve |
| 2019 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2019 | Chevrolet | Impala | 2.5L | L4 | N/A | Expansion Valve |
| 2019 | Chevrolet | Impala | 3.6L | V6 | N/A | w/ R1234yf; Expansion Valve |
| 2018 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2017 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2016 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2015 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2014 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| 2013 | Cadillac | XTS | — | — | N/A | Expansion Valve |
| No rows match your filter. | ||||||