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Four Seasons 39158 A/C Expansion Valve - Front
| Brand | Four Seasons 39158 |
|---|---|
| Position | Front |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.41 |
| Liquid Inlet Size MM | 10.5 |
| 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 | [24610] / Green O-Ring |
| O-Ring D Number/Desc | [24612] / 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 | 0.77 |
| Suc Out Size MM | 19.6 |
| 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 | -2.500 |
| Switch Included? | Not Included |
| Tonnage | 2.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Land Rover · 12 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Block-type design. Compact aluminum construction with insert O-ring connections.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references Four Seasons 39158, Global Parts Distributors LLC 3411786 and UAC EX10169C for the same application. See all 20.
Four Seasons 39158 Expansion Valve Overview
Four Seasons 39158 is a block-type A/C expansion valve for R134A systems. It is built from aluminum and meets or exceeds OEM requirements for direct replacement service on select Land Rover Range Rover and Range Rover Sport applications.
Use this Four Seasons Expansion Valve line when servicing the HVAC refrigerant flow control on a 2.0-ton system. The 39158 expansion valve is specified for Land Rover Range Rover and Range Rover Sport fitments, including front-position applications where listed.
Key Features
- Part number: 39158
- Four Seasons Expansion Valve product line
- Block-type A/C expansion valve
- Aluminum construction
- R134A refrigerant type
- Female FIO insert O-ring inlet and outlet connections
- Meets or exceeds OEM specifications
- Configured without solenoid
- Designed for 2.0-ton HVAC applications
Detailed Product Description
Four Seasons 39158 regulates refrigerant flow into the evaporator to help maintain proper A/C system performance. Its aluminum body and block-style design support OE-style service on R134A-equipped systems, while the female insert O-ring fittings provide the connection style used in the listed Land Rover applications. This part number 39158 also cross-references UAC EX10169C for the same application.
Compatible vehicle coverage includes 2004-2005 Land Rover Range Rover, front; 2006-2010 Land Rover Range Rover, N/A; 2011 Land Rover Range Rover, front; 2012 Land Rover Range Rover, N/A; and 2006-2008 Land Rover Range Rover Sport, N/A. If you are replacing a failed expansion valve on a Range Rover or Range Rover Sport A/C system, verify the fitting style, refrigerant type, and system configuration before installation.
Common Problems This Part Can Address
- Erratic evaporator refrigerant metering
- Insufficient cabin cooling performance
- Compressor cycling caused by restricted flow control
- A/C system pressure imbalance related to a worn valve
- Leak concerns at the valve connection points
Installation Notes and Tips
- Confirm the vehicle year, model, and listed position before ordering.
- Match the R134A refrigerant specification and block-type valve layout to the existing system.
- Inspect the O-ring sealing surfaces and replace damaged seals during service.
- Verify the suction and liquid line fitting sizes and styles against the original component.
- After installation, evacuate and recharge the system according to factory service procedures.
Quality Assurance
Four Seasons 39158 is listed as meeting or exceeding OEM requirements for the specified applications. Four Seasons Expansion Valve components are built for direct-fit HVAC service on the covered Land Rover Range Rover and Range Rover Sport models.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2011 | Land Rover | Range Rover | — | — | Front | Expansion Valve |
| 2010 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2009 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2008 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2008 | Land Rover | Range Rover Sport | 4.4L | V8 | N/A | Expansion Valve |
| 2007 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2007 | Land Rover | Range Rover Sport | — | — | N/A | Expansion Valve |
| 2006 | Land Rover | Range Rover | — | — | N/A | Expansion Valve |
| 2006 | Land Rover | Range Rover Sport | — | — | N/A | Expansion Valve |
| 2005 | Land Rover | Range Rover | — | — | Front | Expansion Valve |
| 2004 | Land Rover | Range Rover | — | — | Front | Expansion Valve |
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