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Four Seasons 39581 A/C Expansion Valve
| Brand | Four Seasons 39581 |
|---|---|
| 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 | O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | O-Ring |
| 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 | O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | O-Ring |
| Super Heat | -10.0 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Ford and Lincoln · 15 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Block type design. Built for efficient refrigerant flow control in the A/C system.
Aluminum construction. Lightweight material with O-ring fittings for a secure seal.
Cross-references Four Seasons 39581, UAC EX9789C and 217598 for the same application. See all 7.
Four Seasons 39581 Expansion Valve
Four Seasons 39581 is a block-type A/C expansion valve for R134A systems, built in aluminum for the Ford Escape and Lincoln MKC applications listed below. It is an OE-style HVAC flow restrictor that helps regulate refrigerant delivery through the evaporator circuit for stable cabin cooling.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39581
- Block-type A/C expansion valve
- Aluminum construction and aluminum finish
- For R134A refrigerant systems
- Female suction and liquid fittings with O-ring style connections
- Meets or exceeds OEM requirements
- 1.5 tonnage rating
- Super heat setting: -10.0
- Style: w/o solenoid
Product Details
The Four Seasons Expansion Valve line focuses on refrigerant metering components that control pressure drop and refrigerant flow at the evaporator. This Four Seasons 39581 expansion valve uses a block-style design with female O-ring inlet and outlet connections, making it a direct-match service part for R134A-equipped HVAC systems. It is listed for 2017-2019 Ford Escape and 2017-2019 Lincoln MKC, and it cross-references UAC EX9789C for the same application. The part number 39581 is also associated with OE-style replacement references including 217598, 759791, 3131469, and A17598.
Vehicle Fitment
- Fits 2017-2019 Ford Escape, N/A, w/ R134a; Expansion Valve
- Fits 2017-2019 Lincoln MKC, N/A, Expansion Valve
Common Issues This Part Can Address
- Inconsistent cabin cooling from improper refrigerant metering
- Warm air from the vents when the evaporator is not being fed correctly
- Erratic A/C performance caused by a worn or restricted expansion valve
- Service replacement for a leaking or damaged valve body
- Restoration of proper R134A system flow in Ford Escape and Lincoln MKC HVAC systems
Installation Notes and Tips
Verify the vehicle uses an R134A system and confirm the block-type valve layout before installation. Match the suction and liquid port sizes, O-ring style connections, and mounting hole layout to the original component. Replace sealing washers and O-rings as needed during service, and evacuate and recharge the system according to factory procedures after installation.
Quality Assurance
This Four Seasons 39581 expansion valve is specified as meeting or exceeding OEM requirements for the listed applications. Four Seasons is a recognized HVAC parts brand, and this component is built for service replacement in the Ford Escape and Lincoln MKC platforms shown above.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | Escape | — | 2.5L | L4 | N/A | w/ R134a; Expansion Valve |
| 2019 | Ford | Escape | — | 2.0L | L4 | N/A | w/ R134a; Expansion Valve |
| 2019 | Ford | Escape | — | 1.5L | L4 | N/A | w/ R134a; Expansion Valve |
| 2019 | Lincoln | MKC | — | — | — | N/A | Expansion Valve |
| 2018 | Ford | Escape | S | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Ford | Escape | SE | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Ford | Escape | S Plus | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Ford | Escape | SEL | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Ford | Escape | Titanium | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Ford | Escape | Trend Advance | — | — | N/A | w/ R134a; Expansion Valve |
| 2018 | Lincoln | MKC | — | — | — | N/A | Expansion Valve |
| 2017 | Ford | Escape | — | 2.5L | L4 | N/A | w/ R134a; Expansion Valve |
| 2017 | Ford | Escape | — | 2.0L | L4 | N/A | w/ R134a; Expansion Valve |
| 2017 | Ford | Escape | — | 1.5L | L4 | N/A | w/ R134a; Expansion Valve |
| 2017 | Lincoln | MKC | — | — | — | N/A | Expansion Valve |
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