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Four Seasons 39598 A/C Expansion Valve - Front
| Brand | Four Seasons 39598 |
|---|---|
| Position | Front |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | 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 Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Sealing Washer |
| Super Heat | 7.5 |
| Switch Included? | Not Included |
| Tonnage | 1 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Chrysler · 15 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight material helps support efficient A/C flow control.
Block type design. Compact expansion valve layout for precise refrigerant metering.
Cross-references Four Seasons 39598, UAC EX10579C and 217613 for the same application. See all 6.
Four Seasons 39598 Expansion Valve for Chrysler HVAC Service
Four Seasons 39598 is a block-type A/C expansion valve built for R134A systems and engineered to meet or exceed OEM requirements. It is a direct-fit HVAC flow restrictor for front A/C service on select Chrysler Pacifica, Voyager, and Grand Caravan models.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39598
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction
- Female sealing-washer connections on liquid and suction sides
- Mounting hole quantity: 2
- Super heat setting: 7.5
- Style: w/o solenoid
- Meets or exceeds OEM specifications
- Cross-reference: UAC EX10579C
Product Details
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for automotive air conditioning systems. This Four Seasons 39598 expansion valve regulates refrigerant flow through the evaporator circuit, helping maintain proper system balance in R134A-equipped vehicles. It uses female sealing-washer fittings with No. 6 and No. 8 liquid connections and No. 10 and No. 12 suction connections, making it a direct replacement style component for front HVAC service.
Compatible with 2017-2025 Chrysler Pacifica, front; 2020-2025 Chrysler Voyager, front; and 2021-2024 Chrysler Grand Caravan, front. This part number 39598 is also referenced by aftermarket and OE cross numbers for the same application.
What It Helps Address
- Inconsistent cabin cooling performance
- Improper refrigerant metering at the evaporator
- Front A/C system temperature control issues
- Expansion valve leakage or restriction
- Service replacement for worn HVAC flow control components
Installation Notes and Tips
Verify refrigerant type, line fitting style, and mounting-hole alignment before installation. Replace sealing washers and evacuate the system according to factory service procedures after component replacement. Confirm the vehicle uses a front-mounted block-type expansion valve and match the original connection sizes to avoid fitment issues.
Quality Assurance
Four Seasons 39598 is listed as meeting or exceeding OEM specifications for the stated applications. It is built as an aluminum replacement expansion valve for R134A systems and is intended for direct HVAC service on confirmed Chrysler fitments.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Chrysler | Pacifica | 3.6L | V6 | GAS | Front | Expansion Valve |
| 2025 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2024 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2024 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2023 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2023 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2022 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2022 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2021 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2021 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2020 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2020 | Chrysler | Voyager | — | — | — | Front | Expansion Valve |
| 2019 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2018 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
| 2017 | Chrysler | Pacifica | — | — | — | Front | Expansion Valve |
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