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Four Seasons 39021 A/C Expansion Valve
| Brand | Four Seasons 39021 |
|---|---|
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.4 |
| Liquid Inlet Size MM | 10.15 |
| Liquid Inlet Style | Captured O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Insert O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | Captured O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.61 |
| Lqd Out Size MM | 15.5 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24611] / Green O-Ring |
| O-Ring B Number/Desc | [24661] / Green O-Ring |
| O-Ring C Number/Desc | [24681] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.72 |
| Suc In Size MM | 18.3 |
| Suc Out Size IN | 0.72 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 12 |
| Suction Inlet Style | Captured O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Insert O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Captured O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | -2.000 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Honda · 13 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight design resists corrosion in demanding HVAC systems.
Block type valve. Built for precise refrigerant flow control without a solenoid.
Cross-references Four Seasons 39021, Global Parts Distributors LLC 3411309 and Pioneer Automotive Industries 759021 for the same application. See all 19.
Four Seasons 39021 Expansion Valve for Honda Accord
The Four Seasons 39021 expansion valve is a block-type A/C flow restrictor built for R134A systems and direct replacement service on select Honda Accord applications. It uses an aluminum body with captured O-ring connections to support consistent refrigerant metering in the HVAC system.
Key Features
- Four Seasons Expansion Valve, part number 39021
- Block type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female suction and liquid connections with captured O-ring design
- Mounting hole quantity: 2
- Meets or exceeds OEM requirements
- Style: w/o solenoid
- Super heat setting: -2.000
- Fits 2003-2007 Honda Accord, N/A
Product Details
Four Seasons 39021 is part of the Expansion Valve line and is engineered for HVAC systems that need precise refrigerant flow control at the evaporator. The block-style design, No. 12 suction fittings, and No. 6 / No. 10 liquid fittings support the factory-style connection layout used on the listed Honda Accord applications. This part cross-references Global Parts Distributors LLC 3411309 for the same application.
For buyers searching for a Honda Accord A/C expansion valve, Honda Accord HVAC expansion valve replacement, or Four Seasons 39021 expansion valve for 2003-2007 Honda Accord, this part matches the confirmed vehicle fitment and OE-style connection details.
Common Repair Symptoms
- Inconsistent cabin cooling or weak vent temperatures
- Refrigerant flow restriction in the A/C circuit
- Improper evaporator feed control
- HVAC performance issues after A/C service
- Need for a direct replacement expansion valve on a 2003-2007 Honda Accord
Installation Notes and Tips
Verify the system uses R134A refrigerant before installation. Confirm the suction and liquid line sizes, captured O-ring interfaces, and mounting points match the original component. Replace the O-rings with the correct green O-ring seals specified for the application, and evacuate and recharge the system according to factory service procedures after installation.
Quality Assurance
Four Seasons 39021 is listed as meeting or exceeding OEM requirements for the specified application. The Expansion Valve product line is built for service replacement use in automotive HVAC systems.
| Year | Make | Model | # Doors | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2007 | Honda | Accord | 4 Door | 3.0L | V6 | — | N/A | Expansion Valve |
| 2007 | Honda | Accord | 4 Door | 3.0L | V6 | GAS | N/A | Expansion Valve |
| 2007 | Honda | Accord | 4 Door | 3.0L | V6 | ELECTRIC/GAS | N/A | Expansion Valve |
| 2007 | Honda | Accord | 4 Door | 2.4L | L4 | — | N/A | Expansion Valve |
| 2007 | Honda | Accord | 4 Door | 2.4L | L4 | GAS | N/A | Expansion Valve |
| 2006 | Honda | Accord | 4 Door | 3.0L | V6 | — | N/A | Expansion Valve |
| 2006 | Honda | Accord | 4 Door | 2.4L | L4 | — | N/A | Expansion Valve |
| 2005 | Honda | Accord | 4 Door | 3.0L | V6 | — | N/A | Expansion Valve |
| 2005 | Honda | Accord | 4 Door | 2.4L | L4 | — | N/A | Expansion Valve |
| 2004 | Honda | Accord | 4 Door | 3.0L | V6 | — | N/A | Expansion Valve |
| 2004 | Honda | Accord | 4 Door | 2.4L | L4 | — | N/A | Expansion Valve |
| 2003 | Honda | Accord | 4 Door | 3.0L | V6 | — | N/A | Expansion Valve |
| 2003 | Honda | Accord | 4 Door | 2.4L | L4 | — | N/A | Expansion Valve |
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