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Four Seasons 39612 A/C Expansion Valve
| Brand | Four Seasons 39612 |
|---|---|
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.350 |
| Liquid Inlet Size MM | 9 |
| Liquid Inlet Style | Female Insert O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | Female Insert O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | O-Ring |
| Lqd Out Size IN | 0.650 |
| Lqd Out Size MM | 16.4 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Suc Out Size IN | 0.650 |
| Suc Out Size MM | 16.4 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Female Insert O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 10 |
| Suction Outlet Style | Female Insert O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | O-Ring |
| Super Heat | -9.0 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Kia · 18 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight material helps resist corrosion in HVAC use.
Block type design. Provides precise refrigerant flow control without a solenoid.
Cross-references Four Seasons 39612, UAC EX10676C and 97626F6000 for the same application. See all 6.
Four Seasons 39612 Expansion Valve
Four Seasons 39612 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and female insert O-ring connections. It is a direct-fit HVAC flow restrictor for select Kia applications, including Kia Optima and Kia Cadenza models, and meets or exceeds OEM requirements.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39612
- Block type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female insert O-ring liquid and suction connections
- Mounting hole quantity: 2
- Style: w/o solenoid
- Super heat: -9.0
- Tonnage: 1.5
- Meets or exceeds OEM specifications
Product Details
This Four Seasons expansion valve regulates refrigerant flow into the evaporator to help maintain proper A/C system performance. The 39612 is designed for R134A-equipped systems and uses No. 6 liquid inlet and No. 10 suction inlet/outlet thread diameters with O-ring style female insert fittings for secure sealing in the HVAC circuit. Four Seasons 39612 is a practical OE-style replacement for Kia Optima and Kia Cadenza A/C service where the original valve has worn, restricted flow, or lost control accuracy.
This part cross-references UAC EX10676C for the same application.
Vehicle Fitment
- Fits 2018-2020 Kia Cadenza, N/A
- Fits 2017-2020 Kia Optima, N/A
- Fits 2018 Kia Optima, N/A, w/ R1234yf; Expansion Valve
- Fits 2017 Kia Optima, N/A, USA Built; Expansion Valve
Common A/C Issues This Part Addresses
- Inconsistent cabin cooling from improper refrigerant metering
- Warm air from the vents caused by a restricted or sticking expansion valve
- Erratic evaporator performance in R134A A/C systems
- Loss of A/C efficiency after valve wear or contamination
- Service replacement for Kia Optima and Kia Cadenza HVAC repairs
Installation Notes and Tips
Verify refrigerant type, connection style, and vehicle-specific fitment before installation. Replace the valve only after the system has been properly evacuated and inspected for contamination, leaks, and related component wear. Confirm the mounting points and line sizes match the original part, especially on 2018 Kia Optima applications with R1234yf notes and 2017 USA-built Optima models.
Quality Assurance
Four Seasons 39612 is built to meet or exceed OEM requirements for the listed Kia applications. The aluminum construction and OE-style connection design support accurate refrigerant control in the vehicle A/C system.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Kia | Cadenza | — | — | — | N/A | Expansion Valve |
| 2020 | Kia | Optima | — | 2.4L | L4 | N/A | Expansion Valve |
| 2020 | Kia | Optima | — | 1.6L | L4 | N/A | Expansion Valve |
| 2019 | Kia | Cadenza | — | — | — | N/A | Expansion Valve |
| 2019 | Kia | Optima | — | 2.0L | L4 | N/A | Expansion Valve |
| 2019 | Kia | Optima | — | 2.4L | L4 | N/A | Expansion Valve |
| 2019 | Kia | Optima | — | 1.6L | L4 | N/A | Expansion Valve |
| 2018 | Kia | Cadenza | — | — | — | N/A | Expansion Valve |
| 2018 | Kia | Optima | S | — | — | N/A | w/ R1234yf; Expansion Valve |
| 2018 | Kia | Optima | SX | — | — | N/A | Expansion Valve |
| 2018 | Kia | Optima | LX | — | — | N/A | w/ R1234yf; Expansion Valve |
| 2018 | Kia | Optima | EX | — | — | N/A | w/ R1234yf; Expansion Valve |
| 2018 | Kia | Optima | LX 1.6T | — | — | N/A | Expansion Valve |
| 2017 | Kia | Optima | SX | — | — | N/A | Expansion Valve |
| 2017 | Kia | Optima | LX | — | — | N/A | USA Built; Expansion Valve |
| 2017 | Kia | Optima | EX | — | — | N/A | USA Built; Expansion Valve |
| 2017 | Kia | Optima | SX Limited | — | — | N/A | Expansion Valve |
| 2017 | Kia | Optima | LX 1.6T | — | — | N/A | Expansion Valve |
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