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Four Seasons 39168 A/C Expansion Valve
| Brand | Four Seasons 39168 |
|---|---|
| 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 | FIO |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Insert O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | FIO |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.540 |
| Lqd Out Size MM | 13.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24606] / Green O-Ring |
| O-Ring B Number/Desc | [24608] / Green O-Ring |
| O-Ring C Number/Desc | [24612] / Green O-Ring |
| O-Ring D Number/Desc | [24610] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Suc Out Size IN | 0.72 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | FIO |
| 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 | FIO |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | 3.000 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Mazda · 8 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable system performance.
Aluminum block type. Lightweight construction with efficient refrigerant flow control.
Without solenoid. A straightforward expansion valve design for simpler service.
Cross-references Four Seasons 39168, Global Parts Distributors LLC 3411803 and Pioneer Automotive Industries 759168 for the same application. See all 16.
Four Seasons 39168 Expansion Valve for Mazda 6
Four Seasons 39168 is a block-type A/C expansion valve for R134A systems. It is built from aluminum and meets or exceeds OEM requirements for the 2003-2008 Mazda 6 expansion valve application.
Key Features
- Block-type A/C expansion valve for precise refrigerant metering
- Aluminum construction with aluminum finish
- Designed for R134A refrigerant systems
- Fits the 2003-2008 Mazda 6, expansion valve position
- Female insert O-ring liquid and suction connections
- Super heat setting: 3.000
- Meets or exceeds OEM specifications
- Four Seasons Expansion Valve line, part number 39168
Product Details
The Four Seasons Expansion Valve line is built for service replacement in automotive HVAC systems where accurate refrigerant flow control is required. Part number 39168 uses a block-type design with female FIO insert O-ring fittings on both the liquid and suction sides, along with the specified port sizes for the Mazda 6 application. This A/C expansion valve is a direct service part for 2003-2008 Mazda 6 models and is listed as a replacement for the same application under several cross-reference numbers, including UAC EX10274C and Pioneer Automotive Industries 759168.
Use Four Seasons 39168 when servicing a Mazda 6 A/C system that needs a replacement expansion valve for R134A refrigerant. The part number 39168 is also referenced under interchange numbers such as 3411803 and 3759168 for application matching.
Common Issues This Part Can Address
- Incorrect refrigerant metering at the evaporator
- Weak or inconsistent cabin cooling
- A/C performance changes caused by a worn expansion valve
- System restriction at the flow control point
- Service replacement needs on a Mazda 6 HVAC repair
Installation Notes and Tips
Verify the vehicle uses an R134A system and confirm the port style, thread sizes, and mounting layout before installation. Replace the valve only after checking the rest of the A/C system for contamination, leaks, or compressor-related debris. Always use the correct O-ring sealing surfaces and follow the vehicle service procedure for evacuation and recharge after repair.
Quality Assurance
Four Seasons 39168 is listed as meeting or exceeding OEM requirements for this application. It is an aluminum replacement expansion valve from the Four Seasons Expansion Valve product line, built for service use in automotive air conditioning systems.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Mazda | 6 | — | — | N/A | Expansion Valve |
| 2007 | Mazda | 6 | 3.0L | V6 | N/A | Expansion Valve |
| 2007 | Mazda | 6 | 2.3L | L4 | N/A | Expansion Valve |
| 2006 | Mazda | 6 | 3.0L | V6 | N/A | Expansion Valve |
| 2006 | Mazda | 6 | 2.3L | L4 | N/A | Expansion Valve |
| 2005 | Mazda | 6 | — | — | N/A | Expansion Valve |
| 2004 | Mazda | 6 | — | — | N/A | Expansion Valve |
| 2003 | Mazda | 6 | — | — | N/A | Expansion Valve |
| No rows match your filter. | ||||||