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Four Seasons 39665 A/C Expansion Valve - Rear
Reliable A/C Expansion Valve for Land Rover Vehicles
The Four Seasons Expansion Valve 39665 is engineered to regulate refrigerant flow in your Land Rover Discovery, Discovery Sport, and Range Rover Sport. Designed with durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient air conditioning system performance.
- Constructed from lightweight aluminum for durability
- Compatible with R134a refrigerant systems
- Block type design with two mounting holes for secure installation
- Female suction and liquid inlet/outlet fittings with O-ring seals
- Meets or exceeds OEM specifications for reliable fit and function
- Includes solenoid style for precise refrigerant control
- Designed for 1.5 tonnage A/C systems
About the Four Seasons Expansion Valve Product Line
The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. The Expansion Valve 39665 is part of this line, offering a block-type valve with integrated solenoid functionality. This design supports consistent superheat control and system efficiency, making it suitable for specific Land Rover models requiring OEM-level performance.
Detailed Product Description
This A/C expansion valve is crafted from aluminum, providing corrosion resistance and long service life. It is designed for use with R134a refrigerant and features female suction and liquid inlet/outlet fittings with O-ring seals to prevent leaks. The valve includes two mounting holes for secure attachment and uses No. 12 thread diameters on suction fittings and No. 8 and No. 10 on liquid fittings. The block-type valve style with solenoid enhances refrigerant metering accuracy, supporting a superheat value of 10.000. This part meets or exceeds OEM standards, ensuring compatibility and reliable operation in Land Rover Discovery, Discovery Sport, and Range Rover Sport models.
Common Applications and Issues Addressed
- Regulates refrigerant flow to maintain optimal A/C system pressure
- Prevents compressor damage caused by improper refrigerant metering
- Resolves inconsistent cabin cooling or fluctuating air temperatures
- Eliminates refrigerant leaks due to worn or damaged expansion valves
- Supports efficient operation of 1.5 tonnage A/C systems in Land Rover vehicles
Installation Notes and Tips
- Ensure system is evacuated and depressurized before removal
- Verify compatibility with Land Rover Discovery, Discovery Sport, or Range Rover Sport models
- Inspect O-rings and replace if necessary to prevent leaks
- Use proper torque specifications on mounting bolts to avoid damage
- Test A/C system performance after installation to confirm proper function
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39665 is manufactured to meet or exceed OEM quality standards. It undergoes rigorous testing to ensure durability and reliable performance in automotive HVAC systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 39665 |
| Position | Expansion Valve, Rear |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Inlet Style | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | O-Ring |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Refrigerant Type | R134A |
| Style | w/ Solenoid |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 12 |
| Suction Inlet Style | O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | O-Ring |
| Super Heat | 10.000 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Land Rover | Discovery | 2.0L | L4 | Rear | Solihull Plant Built; Expansion Valve |
| 2023 | Land Rover | Discovery | 2.0L | L4 | Rear | Solihull Plant Built; Expansion Valve |
| 2022 | Land Rover | Discovery | 2.0L | L4 | Rear | Solihull Plant Built; Expansion Valve |
| 2021 | Land Rover | Range Rover Sport | Rear | Expansion Valve | ||
| 2020 | Land Rover | Discovery | Rear | Expansion Valve | ||
| 2020 | Land Rover | Discovery Sport | Rear | Expansion Valve | ||
| 2020 | Land Rover | Range Rover Sport | Rear | Expansion Valve | ||
| 2019 | Land Rover | Discovery | Rear | Expansion Valve | ||
| 2019 | Land Rover | Discovery Sport | Rear | Expansion Valve | ||
| 2019 | Land Rover | Range Rover Sport | Rear | Expansion Valve | ||
| 2018 | Land Rover | Range Rover Sport | Rear | Expansion Valve |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.