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Four Seasons 39650 A/C Expansion Valve
| Brand | Four Seasons 39650 |
|---|---|
| Material | 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. 12 |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Liquid Inlet Fitting Gender | Female |
| Liquid Outlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Description | Expansion valves |
| Liquid Inlet Style | Sealing washer |
| Liquid Outlet Style | Sealing washer |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suction Inlet Style | Sealing washer |
| Suction Outlet Style | Sealing washer |
| Super Heat | -10.0 |
| Switch Included? | Not included |
| Tonnage | 1.000 |
| Product line | Expansion Valve |
| Fits | Mercedes-Benz · 60 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight material resists corrosion in demanding HVAC use.
Block type design. Provides precise refrigerant flow control for expansion valve systems.
Cross-references Four Seasons 39650, UAC EX10709C and 759871 for the same application. See all 4.
Four Seasons 39650 Expansion Valve
The Four Seasons 39650 expansion valve is a block-type A/C flow restrictor built for R134A systems. It meters refrigerant flow through the evaporator circuit to help maintain proper cooling performance in compatible Mercedes-Benz applications, including AMG GT, G-Class, C-Class, E-Class, and GLC models.
Four Seasons Expansion Valve line components are built for OE-style service replacement, and this aluminum valve meets or exceeds OEM requirements for the listed applications.
Key Features
- Part number 39650 expansion valve for R134A air conditioning systems
- Block type design with aluminum construction
- Female suction and liquid connections with sealing washer styles
- No. 12 suction inlet and outlet thread diameter
- No. 6 liquid inlet and No. 8 liquid outlet thread diameter
- 2 mounting holes for direct service replacement
- W/o solenoid design; switch not included
- Super heat setting: -10.0
- Meets or exceeds OEM specifications
Application Details
This part cross-references UAC EX10709C for the same application. It is used in Mercedes-Benz HVAC systems such as 2021-2025 Mercedes-Benz AMG GT 43, 2019-2025 Mercedes-Benz G550, 2019-2025 Mercedes-Benz G63 AMG, 2021-2024 Mercedes-Benz AMG GT 53, and 2017-2018 Mercedes-Benz C300. Additional coverage includes 2017-2018 Mercedes-Benz C350e, C43 AMG, C63 AMG, E200, E250, E300, E400, E43 AMG, GLC300, GLC43 AMG, and 2017 Mercedes-Benz GLC250.
What It Helps Address
- Weak or inconsistent cabin cooling
- Improper refrigerant metering at the evaporator
- Restricted A/C performance caused by a worn valve
- Service replacement needs after HVAC system repair
- R134A system flow control issues in listed Mercedes-Benz models
Installation Notes
Verify refrigerant type, port style, thread diameter, and mounting-hole layout before installation. Replace the valve only after confirming the system is clean and the correct R134A service procedure is followed. Use the vehicle-specific fitment data to confirm the exact Mercedes-Benz AMG GT, G-Class, C-Class, E-Class, or GLC application before ordering.
Quality Assurance
Four Seasons 39650 is an OE-style replacement part that meets or exceeds OEM specifications for the listed applications. The Four Seasons Expansion Valve line is built for direct-fit HVAC service on confirmed vehicle applications.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Mercedes-Benz | AMG GT 43 | — | — | — | N/A | Expansion Valve |
| 2025 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2025 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2024 | Mercedes-Benz | AMG GT 43 | — | — | — | N/A | Expansion Valve |
| 2024 | Mercedes-Benz | AMG GT 53 | — | — | — | N/A | Expansion Valve |
| 2024 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2024 | Mercedes-Benz | G63 4x4 Squared AMG | — | — | — | N/A | Expansion Valve |
| 2024 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | AMG GT 43 | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | AMG GT 53 | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | AMG GT 63 | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | AMG GT 63 S | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | G63 4x4 Squared AMG | — | — | — | N/A | Expansion Valve |
| 2023 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2022 | Mercedes-Benz | AMG GT 43 | — | — | — | N/A | Expansion Valve |
| 2022 | Mercedes-Benz | AMG GT 53 | — | — | — | N/A | Expansion Valve |
| 2022 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2022 | Mercedes-Benz | G63 4x4 Squared AMG | — | — | — | N/A | Expansion Valve |
| 2022 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | AMG GT 43 | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | AMG GT 53 | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | AMG GT 63 | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | AMG GT 63 S | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2021 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2020 | Mercedes-Benz | G500 | — | — | — | N/A | Expansion Valve |
| 2020 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2020 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2019 | Mercedes-Benz | G500 | — | — | — | N/A | Expansion Valve |
| 2019 | Mercedes-Benz | G550 | — | — | — | N/A | Expansion Valve |
| 2019 | Mercedes-Benz | G63 AMG | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | C300 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | C350e | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | C43 AMG | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | C63 AMG | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | C63 AMG S | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E200 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E250 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E300 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E400 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E43 AMG | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | E63 AMG S | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | GLC300 | — | — | — | N/A | Expansion Valve |
| 2018 | Mercedes-Benz | GLC43 AMG | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | C300 | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | C350e | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | C43 AMG | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | C63 AMG | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | C63 AMG S | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E200 | Sedan | 2.0L | L4 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E250 | Sedan | 2.0L | L4 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E300 | Sedan | 2.0L | L4 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E400 | Sedan | 3.5L | V6 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E400 | Sedan | 3.0L | V6 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E400 | Wagon | 3.0L | V6 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | E43 AMG | Sedan | 3.0L | V6 | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | GLC250 | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | GLC300 | — | — | — | N/A | Expansion Valve |
| 2017 | Mercedes-Benz | GLC43 AMG | — | — | — | N/A | Expansion Valve |
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