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Four Seasons 39485 A/C Expansion Valve - Front
| Brand | Four Seasons 39485 |
|---|---|
| Position | Front |
| 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. 10 |
| Suction Inlet Thread Type | 7/8" - 18 |
| Suction Outlet Thread Type | 7/8" - 18 |
| 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 | 5/8 - 18 |
| Liquid Outlet Thread Type | 3/4" - 18 |
| Description | Expansion valves |
| Liquid Inlet Size IN | 0.41 |
| Liquid Inlet Size MM | 10.5 |
| Liquid Inlet Style | Flange |
| Liquid Inlet Type | O-ring |
| Liquid Outlet Style | Flange |
| Liquid Outlet Type | O-ring |
| Lqd Out Size IN | 0.540 |
| Lqd Out Size MM | 13.6 |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Fits | — |
OE direct replacement. Meets or exceeds OEM requirements for dependable system performance.
Aluminum construction. Lightweight material resists corrosion in demanding HVAC service.
Block type design. Built as an A/C expansion valve for precise refrigerant flow control.
Cross-references Four Seasons 39485, Hygrade Tuneup 1613 and UAC EX9403C for the same application. See all 15.
Four Seasons 39485 Expansion Valve
Four Seasons 39485 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 to help maintain proper evaporator performance in the HVAC system.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39485
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female flange-style O-ring connections
- Liquid inlet: No. 6, 5/8"-18 thread, 0.41 in / 10.5 mm
- Liquid outlet: No. 8, 3/4"-18 thread, 0.540 in / 13.6 mm
- Suction inlet and outlet: No. 10, 7/8"-18 thread, 0.650 in / 16.4 mm
- Super heat setting: 4.2
- Style: w/o solenoid
- Mounting hole quantity: 2
- Meets or exceeds OEM specifications
Product Details
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for automotive air conditioning systems. Part number 39485 is a block-type valve with female O-ring flange connections and aluminum construction, making it a direct-fit style service part for R134A-equipped HVAC systems. For drivers searching for an A/C expansion valve for Honda Civic or similar vehicle applications, this component supports stable refrigerant control at the evaporator and helps restore proper cooling balance. Four Seasons 39485 is also referenced in cross applications such as UAC EX9403C.
What It Helps Fix
- Weak or inconsistent cabin cooling
- Incorrect refrigerant flow through the evaporator
- Frosting or unstable evaporator performance
- A/C system performance loss caused by a worn expansion valve
- Service issues in R134A HVAC systems requiring a block-type valve
Installation Notes and Tips
Verify the refrigerant type, connection style, thread sizes, and mounting layout before installation. This valve uses female flange-style O-ring fittings and a block-type configuration, so matching the original HVAC layout is important for proper sealing and fit. Confirm the system is clean and evacuated before recharging, and inspect related A/C components for contamination or wear. For Honda Civic A/C repair or other vehicle-specific HVAC service, compare the original valve design to Four Seasons 39485 before replacement.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM specifications. The part is built for R134A applications and uses aluminum construction for consistent service in automotive HVAC systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||