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Four Seasons 39489 A/C Expansion Valve
| Brand | Four Seasons 39489 |
|---|---|
| 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 |
| Liquid Inlet Fitting Gender | Female |
| Liquid Outlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Description | Expansion valves |
| Liquid Inlet Style | O-ring |
| Liquid Outlet Style | O-ring |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suction Inlet Style | O-ring |
| Suction Outlet Style | O-ring |
| Super Heat | -4.0 |
| Switch Included? | Not included |
| Tonnage | 2.0 |
| Fits | — |
OE direct replacement. Meets or exceeds OEM requirements for dependable HVAC performance.
Aluminum construction. Lightweight material resists corrosion in demanding A/C service.
Block type design. Uses O-ring fittings for a secure, leak-resistant connection.
Cross-references Four Seasons 39489, OSC 1688 and UAC EX10473C for the same application. See all 20.
Four Seasons 39489 Expansion Valve
The Four Seasons 39489 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It uses an aluminum body with O-ring suction and liquid connections for a direct-service replacement in automotive air conditioning systems.
Key Features
- Four Seasons Expansion Valve line, part number 39489
- Block type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female suction and liquid fittings with O-ring style connections
- No. 10 suction inlet and outlet thread diameter
- No. 8 liquid inlet and outlet thread diameter
- 2 mounting holes
- Super heat setting: -4.0
- Style: w/o solenoid
- Meets or exceeds OEM requirements
Product Details
Four Seasons 39489 is an OE-style A/C expansion valve for vehicles using a block-type metering design. It regulates refrigerant flow into the evaporator to help maintain proper system balance in R134A air conditioning systems. This part cross-references UAC EX10473C and OSC 1688 for the same application. For buyers searching for a Four Seasons 39489 expansion valve, this component is a direct-fit service part for select automotive HVAC repairs, including Honda Civic and Toyota Camry applications where this valve design is specified.
Common Repair Symptoms
- Warm air from the vents with the A/C switched on
- Erratic evaporator performance or unstable cabin cooling
- Incorrect refrigerant metering at the evaporator
- Restricted or uneven A/C system flow
- Service replacement for a leaking or sticking expansion valve
Installation Notes
Verify the vehicle uses an R134A, block-type expansion valve with No. 10 suction and No. 8 liquid O-ring fittings before installation. Confirm mounting hole count, fitting style, and system configuration against the original part. Proper evacuation, leak checking, and refrigerant recharge are required after A/C service. For fitment-based searches, this part is commonly referenced for Honda Civic and Toyota Camry A/C repair applications, and the Four Seasons 39489 should be matched to the original valve design before replacement.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, making it a technical replacement option for professional HVAC service. The Four Seasons 39489 is built to the stated material, fitting, and refrigerant specifications for consistent A/C system service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||