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Four Seasons 39614 A/C Expansion Valve - Rear
| Brand | Four Seasons 39614 |
|---|---|
| Position | Rear |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Super Heat | -2.5 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Ford and Lincoln · 20 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Aluminum construction. Lightweight material resists corrosion in demanding HVAC service.
Block type design. Built for precise refrigerant flow control in A/C systems.
Cross-references Four Seasons 39614, UAC EX10673C and 759830 for the same application. See all 5.
Four Seasons 39614 Expansion Valve
The Four Seasons 39614 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It is an aluminum, OE-style replacement that helps regulate refrigerant flow in rear air conditioning applications on select Ford and Lincoln vehicles.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39614
- Block type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female suction and liquid fittings with sealing washer style connections
- 2 mounting holes for secure installation
- Meets or exceeds OEM requirements
- Super heat setting: -2.5
- Style: w/o solenoid
- Tonnage: 1.000
Product Details
Four Seasons 39614 is an A/C expansion valve designed to meter refrigerant into the evaporator and maintain proper system balance in rear HVAC circuits. This part number 39614 uses female inlet and outlet connections, including No. 10 suction inlet, No. 12 suction outlet, and No. 8 liquid inlet and outlet thread diameters with sealing washer interfaces. It is a direct-fit style replacement for rear HVAC service on 2018-2025 Ford Expedition and 2018-2025 Lincoln Navigator, and it also applies to 2021 Ford F-250 Super Duty and 2021 Ford F-350 Super Duty. This part cross-references UAC EX10673C for the same application.
Common Repair Symptoms
- Rear A/C vents blowing warm air
- Erratic evaporator temperature control
- Restricted refrigerant flow in the HVAC circuit
- Improper superheat control in the A/C system
- Loss of cooling performance after expansion valve wear or contamination
Installation Notes
Verify the vehicle’s refrigerant type is R134A before installation. Match the block-style valve, fitting thread sizes, and sealing washer connection points to the original component. Replace any disturbed seals or washers as required by the service procedure, and evacuate and recharge the system according to factory specifications after repair. For fitment, this part fits 2018-2025 Ford Expedition, rear; fits 2018-2025 Lincoln Navigator, rear; fits 2021 Ford F-250 Super Duty, N/A; and fits 2021 Ford F-350 Super Duty, N/A.
Quality Assurance
Four Seasons supplies OE-style HVAC service parts, and this expansion valve is built to meet or exceed OEM requirements for the listed applications. It is a practical replacement choice for rear A/C service on Ford Expedition, Lincoln Navigator, and Super Duty models.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2025 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2024 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2024 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2023 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2023 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2022 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2022 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2021 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2021 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | Expansion Valve |
| 2021 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Expansion Valve |
| 2021 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | Expansion Valve |
| 2021 | Ford | F-350 Super Duty | 7.3L | V8 | N/A | Expansion Valve |
| 2021 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2020 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2020 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2019 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2019 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
| 2018 | Ford | Expedition | — | — | Rear | Expansion Valve |
| 2018 | Lincoln | Navigator | — | — | Rear | Expansion Valve |
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