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Four Seasons 39052 A/C Expansion Valve - Rear
Overview of Four Seasons Expansion Valve 39052
The Four Seasons Expansion Valve 39052 is designed specifically for Dodge Durango models requiring reliable HVAC system components. This A/C expansion valve regulates refrigerant flow to maintain optimal air conditioning performance using R134a refrigerant.
- Constructed from durable aluminum with a gold finish for corrosion resistance
- Block type design with two mounting holes for secure installation
- Compatible with R134a refrigerant systems
- Female suction and liquid inlet/outlet fittings with No. 6 and No. 10 thread diameters
- Includes green O-rings for proper sealing and leak prevention
Four Seasons Expansion Valve Product Line
The Expansion Valve product line by Four Seasons focuses on precision-engineered A/C flow restrictors that meet or exceed OEM specifications. This line ensures consistent refrigerant metering and system efficiency, tailored for specific vehicle applications such as the Dodge Durango. The 39052 part exemplifies this approach with its block type design and quality materials.
Detailed Product Description
This A/C expansion valve is made from aluminum, providing strength and resistance to corrosion, essential for long-term HVAC system reliability. The gold color finish adds an additional layer of protection. It features a block type configuration with two mounting holes, allowing for a secure fit in the Dodge Durango's air conditioning system. The valve is designed for use with R134a refrigerant, the standard for many modern vehicles. Both suction and liquid inlet/outlet fittings are female with specific thread diameters (No. 6 and No. 10) and are not threaded, utilizing insert o-ring styles to ensure a tight seal and prevent leaks. The included green O-rings (part numbers 24611 and 24681) are critical for maintaining system integrity.
Common Applications and Issues Addressed
- Regulates refrigerant flow to prevent compressor damage
- Maintains consistent cabin cooling performance
- Prevents refrigerant leaks through secure fittings and O-rings
- Addresses HVAC system inefficiencies caused by faulty expansion valves
- Helps avoid uneven cooling or fluctuating air temperatures
Installation Notes and Tips
- Ensure compatibility with Dodge Durango models before installation
- Inspect and replace O-rings to prevent refrigerant leaks
- Handle fittings carefully to avoid damage to non-threaded insert o-ring connections
- Follow manufacturer torque specifications for mounting bolts
- System evacuation and recharge should be performed by a qualified technician
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39052 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality aluminum and precision components, it is designed for durability and reliable performance in Dodge Durango HVAC systems. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
|---|---|
| Part Number | 39052 |
| Position | Expansion Valve, Rear |
| Color | Gold |
| 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. 10 |
| Liquid Outlet Style | FIO |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.72 |
| Lqd Out Size MM | 18.3 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24611] / Green O-Ring |
| O-Ring B 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. 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. 10 |
| Suction Outlet Style | FIO |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | 7.500 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Dodge | Durango | Rear | Expansion Valve |
| 2005 | Dodge | Durango | Rear | Expansion Valve |
| 2004 | Dodge | Durango | Rear | Expansion Valve |
| 2003 | Dodge | Durango | 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.