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Four Seasons 39179 A/C Expansion Valve
| Brand | Four Seasons 39179 |
|---|---|
| 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 | 8.500 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Mitsubishi · 24 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Block-type design. Aluminum construction with captured O-ring connections.
R134A compatible. Built for efficient refrigerant flow without a solenoid.
Cross-references Four Seasons 39179, Global Parts Distributors LLC 3411388 and UAC EX10166C for the same application. See all 26.
Four Seasons 39179 Expansion Valve Overview
The Four Seasons 39179 expansion valve is a block-type A/C flow restrictor for R134A systems. It is built from aluminum and meets or exceeds OEM requirements for direct replacement service on select Mitsubishi Eclipse, Galant, and Endeavor applications.
Four Seasons Expansion Valve line parts are built for precise refrigerant metering in automotive HVAC systems. This 39179 valve uses captured O-ring, insert-style connections and a w/o solenoid design for service on factory-style A/C layouts.
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Meets or exceeds OEM specifications
- Captured O-ring, insert-style liquid and suction connections
- Female inlet and outlet fittings
- Super heat setting: 8.5
- 1.0 tonnage application
- Fits Mitsubishi Eclipse, Galant, and Endeavor applications
Fitment and Application Details
Compatible With select Mitsubishi HVAC systems, this Four Seasons 39179 expansion valve is listed for 2004-2012 Mitsubishi Galant, 2004-2018 Mitsubishi Endeavor, and 2006-2012 Mitsubishi Eclipse applications. Use the exact vehicle year and model match when replacing the A/C expansion valve on these platforms.
- Fits 2006-2012 Mitsubishi Eclipse, N/A
- Fits 2004-2012 Mitsubishi Galant, N/A
- Fits 2010-2011 Mitsubishi Endeavor, N/A
- Fits 2004-2008 Mitsubishi Endeavor, N/A
Common Problems This Part Can Address
- Incorrect refrigerant flow through the evaporator circuit
- Weak or inconsistent cabin cooling
- A/C performance issues caused by a worn expansion valve
- Improper refrigerant metering in an R134A system
- HVAC operation problems tied to a failing block-style valve
Installation Notes and Tips
Verify the original valve style, fitting sizes, and refrigerant type before installation. This part uses female suction and liquid connections with captured O-ring interfaces, so the mating surfaces should be clean and undamaged before assembly. Confirm the vehicle’s A/C system is serviced correctly after replacement and follow OEM service procedures for evacuation, leak checking, and recharge.
Quality Assurance
Four Seasons 39179 is an OEM-style replacement expansion valve that meets or exceeds original equipment requirements. Cross-reference part numbers for the same application include UAC EX10166C and Global Parts Distributors LLC 3411388.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2012 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2011 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2011 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2011 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2010 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2010 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2010 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2009 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2009 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2008 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Expansion Valve |
| 2008 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Expansion Valve |
| 2008 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2008 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2007 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2007 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2007 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2006 | Mitsubishi | Eclipse | — | — | N/A | Expansion Valve |
| 2006 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2006 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2005 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2005 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
| 2004 | Mitsubishi | Endeavor | — | — | N/A | Expansion Valve |
| 2004 | Mitsubishi | Galant | — | — | N/A | Expansion Valve |
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