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Four Seasons 39448 A/C Expansion Valve - Front
| Brand | Four Seasons 39448 |
|---|---|
| Position | Front |
| 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 | 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 | 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 | 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 | O-Ring |
| Super Heat | -6.000 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Land Rover · 20 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight design with corrosion-resistant durability.
Captured O-ring style. Helps deliver secure, leak-resistant connections.
Cross-references Four Seasons 39448, Genuine JQD500010 and Global Parts Distributors LLC 3411479 for the same application. See all 10.
Four Seasons 39448 Expansion Valve
Four Seasons 39448 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 LR3, LR4, Range Rover, and Range Rover Sport applications.
Key Features
- Four Seasons Expansion Valve line, part number 39448
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Female suction and liquid connections with captured O-ring sealing
- Liquid inlet size: 0.4 in. (10.15 mm); liquid outlet size: 0.61 in. (15.5 mm)
- Suction inlet and outlet size: 0.72 in. (18.3 mm)
- 2 mounting holes
- Meets or exceeds OEM specifications
- Style: w/o solenoid
Product Details
This Four Seasons 39448 expansion valve regulates refrigerant flow into the evaporator to help maintain proper A/C system performance. It is specified for R134A systems and uses captured O-ring inlet and outlet connections for the suction and liquid lines. The valve is listed for 1.5 tonnage applications and includes the correct O-ring interface details for service on Land Rover HVAC systems. This part cross-references UAC EX10288C for the same application.
Vehicle Fitment
- Fits 2016 Land Rover LR4, Front, Expansion Valve
- Fits 2010-2015 Land Rover LR4, N/A, Expansion Valve
- Fits 2013 Land Rover Range Rover, Front, Expansion Valve
- Fits 2013 Land Rover Range Rover Sport, Front, Expansion Valve
- Fits 2008-2012 Land Rover Range Rover Sport, N/A, Expansion Valve
- Fits 2005-2009 Land Rover LR3, N/A, Expansion Valve
Common A/C Issues This Part Can Address
- Incorrect refrigerant metering at the evaporator
- Weak or inconsistent cabin cooling
- Erratic vent temperatures during A/C operation
- Restricted refrigerant flow through the expansion valve
- Service replacement for a worn or leaking valve assembly
Installation Notes
Verify the vehicle’s refrigerant type, line connection style, and mounting layout before installation. Replace the valve only after the system has been properly evacuated and inspected, and confirm the O-ring sealing surfaces are clean and undamaged. For best results, match the original application by year, model, and HVAC configuration on Land Rover LR3, LR4, Range Rover, and Range Rover Sport vehicles.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, making it a direct-fit service part for the specified Land Rover applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Land Rover | LR4 | — | — | — | Front | Expansion Valve |
| 2015 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2014 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2013 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2013 | Land Rover | Range Rover | — | — | — | Front | Expansion Valve |
| 2013 | Land Rover | Range Rover Sport | — | — | — | Front | Expansion Valve |
| 2012 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2012 | Land Rover | Range Rover Sport | — | — | — | N/A | Expansion Valve |
| 2011 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2011 | Land Rover | Range Rover Sport | — | — | — | N/A | Expansion Valve |
| 2010 | Land Rover | LR4 | — | — | — | N/A | Expansion Valve |
| 2010 | Land Rover | Range Rover Sport | — | — | — | N/A | Expansion Valve |
| 2009 | Land Rover | LR3 | — | 4.4L | V8 | N/A | Expansion Valve |
| 2009 | Land Rover | LR3 | HSE | 4.4L | V8 | N/A | Expansion Valve |
| 2009 | Land Rover | Range Rover Sport | — | — | — | N/A | Expansion Valve |
| 2008 | Land Rover | LR3 | — | 4.4L | V8 | N/A | Expansion Valve |
| 2008 | Land Rover | Range Rover Sport | — | 4.2L | V8 | N/A | Expansion Valve |
| 2007 | Land Rover | LR3 | — | — | — | N/A | Expansion Valve |
| 2006 | Land Rover | LR3 | — | — | — | N/A | Expansion Valve |
| 2005 | Land Rover | LR3 | — | — | — | N/A | Expansion Valve |
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