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Four Seasons 39427 A/C Expansion Valve - Rear
| Brand | Four Seasons 39427 |
|---|---|
| Position | Rear |
| 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 | 0.4 |
| Liquid Inlet Size MM | 10.15 |
| 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 |
| O-Ring A Number/Desc | [24401] / slim line sealing washer |
| O-Ring A Quantity | 1 |
| O-Ring B Number/Desc | [24402] / slimline washer |
| Product line | Expansion Valve |
| Fits | Dodge · 14 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for a precise fit.
Aluminum block type. Lightweight construction with sealing-washer connections.
R134A compatible. Built for modern A/C refrigerant systems.
Cross-references Four Seasons 39427, Global Parts Distributors LLC 3411910 and UAC EX529494C for the same application. See all 8.
Four Seasons 39427 Expansion Valve
Four Seasons 39427 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 rear air conditioning service on select Dodge Durango models.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Female suction and liquid fittings with sealing-washer style connections
- 2 mounting holes for secure installation
- Super heat setting: 10.000
- Meets or exceeds OEM requirements
- Style: w/o solenoid
Product Details
The Four Seasons Expansion Valve line is focused on precise refrigerant metering for automotive HVAC systems. Part number 39427 regulates refrigerant flow into the evaporator to support stable rear A/C performance in the 2012-2025 Dodge Durango, Rear application. This valve uses female inlet and outlet fittings, with No. 6 and No. 8 liquid connections and No. 10 and No. 12 suction connections, making it a service-ready replacement for the specified vehicle platform. Four Seasons 39427 is also cross-referenced with Global Parts Distributors LLC 3411910 for the same application.
Common Issues This Part May Address
- Rear A/C outlet air that is too warm
- Irregular refrigerant metering at the evaporator
- Loss of cooling performance in the rear HVAC circuit
- Expansion valve restriction or internal wear
- Service replacement for a leaking or malfunctioning valve
Installation Notes and Tips
- Verify the vehicle is a 2012-2025 Dodge Durango, Rear before installation.
- Inspect sealing washers and line surfaces for damage before assembly.
- Confirm R134A system service procedures, evacuation, and recharge specifications.
- Match the liquid and suction fitting sizes to the original HVAC lines.
- Replace any contaminated components in the A/C circuit as needed during repair.
Quality Assurance
Four Seasons 39427 is listed as meeting or exceeding OEM requirements for the specified application. It is engineered for rear HVAC service on the Dodge Durango and built to support consistent refrigerant control in R134A systems.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2024 | Dodge | Durango | 3.6L | V6 | Rear | Expansion Valve |
| 2023 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2022 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2021 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2020 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2019 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2018 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2017 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2016 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2015 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2014 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2013 | Dodge | Durango | — | — | Rear | Expansion Valve |
| 2012 | Dodge | Durango | — | — | Rear | Expansion Valve |
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