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Four Seasons 39494 A/C Expansion Valve
| Brand | Four Seasons 39494 |
|---|---|
| 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 | 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 |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| 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 | 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 | -1.000 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Chrysler and Dodge · 42 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum block type. Lightweight construction with sealing-washer connections.
R134A compatible. Built for efficient refrigerant flow control in A/C systems.
Cross-references Dynomax 39494, Global Parts Distributors LLC 3411596 and UAC EX529499C for the same application. See all 10.
Four Seasons 39494 Expansion Valve Overview
Four Seasons 39494 is a block-type A/C expansion valve for R134A systems. Built from aluminum and engineered to meet or exceed OEM requirements, it regulates refrigerant flow for Chrysler 300, Dodge Challenger, and Dodge Charger applications from 2014-2023.
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for modern HVAC systems. This 39494 valve uses sealing-washer connections, a two-hole mounting design, and a w/o solenoid style for direct service on the listed vehicles.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39494
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female suction and liquid fittings with sealing-washer style connections
- Mounting hole quantity: 2
- Style: w/o solenoid
- Meets or exceeds OEM specifications
- 1.5 tonnage rating
Detailed Description
Four Seasons 39494 expansion valve controls refrigerant delivery into the evaporator to maintain proper A/C system operation. It features female suction inlet and outlet fittings with No. 10 and No. 12 thread diameters, plus female liquid inlet and outlet fittings with No. 6 and No. 8 thread diameters. The sealing-washer inlet and outlet design supports service on R134A HVAC systems used in 2014-2023 Chrysler 300, 2014-2023 Dodge Challenger, and 2014-2023 Dodge Charger models. If you are replacing a worn or restricted A/C expansion valve, part number 39494 provides an OE-style service solution for these applications.
Common Issues This Part Addresses
- Inconsistent cabin cooling on Chrysler 300, Dodge Challenger, or Dodge Charger
- Restricted refrigerant flow through the HVAC system
- Improper evaporator feed caused by a failing expansion valve
- A/C performance loss related to valve wear or contamination
- Service replacement for a leaking or sticking block-type valve
Installation Notes and Tips
- Verify R134A system compatibility before installation.
- Confirm the vehicle uses the listed block-type expansion valve layout and sealing-washer fittings.
- Inspect the A/C system for contamination, debris, or moisture before installing the new valve.
- Replace only after confirming the vehicle match by year, make, and model.
- Follow OEM service procedures for evacuation, recharge, and leak checking after installation.
Quality Assurance
Four Seasons 39494 is listed as meeting or exceeding OEM requirements for the specified applications. This part cross-references UAC (e.g., EX529499C) for the same application.
Fits 2014-2023 Chrysler 300, N/A. Fits 2014-2023 Dodge Challenger, N/A. Fits 2014-2023 Dodge Charger, N/A.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2023 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2023 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2022 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2022 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2022 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2021 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2021 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2021 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2020 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2020 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2020 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2019 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2019 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2019 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2018 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2018 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2018 | Dodge | Charger | GT | 3.6L | V6 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | R/T | 5.7L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | SXT | 3.6L | V6 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | Daytona | 5.7L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | SXT Plus | 3.6L | V6 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | Pursuit | 5.7L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | Pursuit | 3.6L | V6 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | SRT Hellcat | 6.2L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | SRT 392 | 6.4L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | R/T 392 | 6.4L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | Daytona 392 | 6.4L | V8 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | GT Plus | 3.6L | V6 | N/A | Expansion Valve |
| 2018 | Dodge | Charger | SXT Plus Leather | 3.6L | V6 | N/A | Expansion Valve |
| 2017 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2017 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2017 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2016 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2016 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2016 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2015 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2015 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2015 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
| 2014 | Chrysler | 300 | — | — | — | N/A | Expansion Valve |
| 2014 | Dodge | Challenger | — | — | — | N/A | Expansion Valve |
| 2014 | Dodge | Charger | — | — | — | N/A | Expansion Valve |
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