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Four Seasons 39538 A/C Expansion Valve
| Brand | Four Seasons 39538 |
|---|---|
| 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. 10 |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| 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. 8 |
| 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 | Ford · 6 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight design with sealing-washer connections.
Block type valve. Controls refrigerant flow in A/C systems.
Cross-references Four Seasons 39538, Global Parts Distributors LLC 3411583 and UAC EX9743C for the same application. See all 8.
Four Seasons 39538 Expansion Valve
Four Seasons 39538 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and sealing-washer connections for the liquid and suction lines. It is a direct-fit HVAC flow restrictor for the 2014-2019 Ford Fiesta and meets or exceeds OEM requirements.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39538
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Sealing-washer inlet and outlet connections
- Female suction and liquid fittings
- Two mounting holes
- Style: without solenoid
- Super heat setting: -7.000
- Meets or exceeds OEM specifications
Product Details
Four Seasons 39538 is an A/C expansion valve used to regulate refrigerant flow into the evaporator on the Ford Fiesta HVAC system. This block-style valve is specified for R134A applications and uses female fittings with sealing-washer interfaces for the suction and liquid ports. The part number 39538 is also cross-referenced by UAC EX9743C for the same application.
Compatible With 2014-2019 Ford Fiesta, expansion valve application. This listing is focused on the HVAC flow control component used in the Fiesta air conditioning system, making it a relevant search match for Ford Fiesta A/C expansion valve replacement and Four Seasons 39538 replacement searches.
What It Helps Address
- Inconsistent cabin cooling from restricted refrigerant metering
- Warm air from the vents when the evaporator is not being fed correctly
- Erratic A/C performance caused by a worn or sticking expansion valve
- Refrigerant flow control issues in R134A systems
- HVAC service needs on 2014-2019 Ford Fiesta models
Installation Notes
Verify the vehicle uses the correct block-type expansion valve configuration, R134A refrigerant, and the listed suction and liquid port sizes before installation. Inspect sealing surfaces and line condition during service, and confirm the system is evacuated, leak-checked, and recharged to the proper specification after replacement. Use the Ford Fiesta fitment details and part number 39538 to confirm application match before ordering.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, giving technicians and DIY buyers an OE-style replacement option for the Ford Fiesta HVAC system.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Fiesta | — | — | N/A | Expansion Valve |
| 2018 | Ford | Fiesta | — | — | N/A | Expansion Valve |
| 2017 | Ford | Fiesta | — | — | N/A | Expansion Valve |
| 2016 | Ford | Fiesta | — | — | N/A | Expansion Valve |
| 2015 | Ford | Fiesta | — | — | N/A | Expansion Valve |
| 2014 | Ford | Fiesta | 1.0L | L3 | N/A | Expansion Valve |
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