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Four Seasons 39609 A/C Expansion Valve
Reliable A/C Expansion Valve for Jeep Wrangler and Wrangler JK
The Four Seasons Expansion Valve 39609 is engineered to regulate refrigerant flow in your Jeep Wrangler and Wrangler JK's air conditioning system. Crafted from durable aluminum, this block-type valve is designed specifically for R134a refrigerant, ensuring efficient cooling performance.
- Constructed from corrosion-resistant aluminum material
- Compatible with R134a refrigerant systems
- Block type design with two mounting holes for secure installation
- Female suction and liquid inlet/outlet fittings with sealing washer style
- Meets or exceeds OEM specifications for Jeep Wrangler and Wrangler JK
About the Four Seasons Expansion Valve Product Line
The Expansion Valve product line by Four Seasons focuses on precise refrigerant flow control within automotive HVAC systems. This line includes valves designed to maintain optimal pressure and temperature balance, contributing to consistent air conditioning performance. The 39609 valve fits within this line as a block-type valve without a solenoid, tailored for specific Jeep models using R134a refrigerant.
Detailed Product Description and Specifications
The Four Seasons 39609 expansion valve features a block-type design constructed from aluminum, providing durability and resistance to corrosion. It includes two mounting holes for secure attachment and is designed with female fittings on both suction and liquid inlet/outlet ports. The suction inlet and outlet fittings have thread diameters of No. 10 and No. 12 respectively, while the liquid inlet and outlet fittings measure No. 6 and No. 8. All fittings utilize a sealing washer style to ensure leak-free connections. This valve is compatible with R134a refrigerant systems and is engineered to meet or exceed OEM standards for Jeep Wrangler and Wrangler JK models.
Common Applications and Issues Addressed
- Regulates refrigerant flow to maintain proper A/C system pressure
- Prevents compressor damage caused by improper refrigerant metering
- Helps resolve inconsistent cabin cooling or fluctuating temperatures
- Addresses issues related to refrigerant leaks at the expansion valve fittings
- Supports efficient operation of the Jeep Wrangler and Wrangler JK air conditioning system
Installation Notes and Tips
- Ensure compatibility with Jeep Wrangler and Wrangler JK models before installation
- Use proper tools to avoid damaging the aluminum fittings and sealing washers
- Inspect and replace sealing washers to prevent refrigerant leaks
- Follow manufacturer torque specifications for mounting bolts
- Verify system is evacuated and recharged with R134a refrigerant after installation
Quality Assurance and Warranty Information
The Four Seasons Expansion Valve 39609 is manufactured to meet or exceed OEM quality standards, ensuring reliable performance in your Jeep Wrangler and Wrangler JK. This part undergoes rigorous testing for durability and fitment accuracy. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
|---|---|
| Part Number | 39609 |
| Position | Expansion Valve |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.34 |
| Liquid Inlet Size MM | 8.6 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Sealing Washer |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.63 |
| Suc In Size MM | 16 |
| Suc Out Size IN | 0.700 |
| Suc Out Size MM | 17.7 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Sealing Washer |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Sealing Washer |
| Super Heat | -5.500 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Jeep | Wrangler | 2.0L | L4 | N/A | Expansion Valve |
| 2024 | Jeep | Wrangler | 2.0L | L4 | N/A | Expansion Valve |
| 2023 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2022 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2021 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2020 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2019 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2018 | Jeep | Wrangler | N/A | Expansion Valve | ||
| 2018 | Jeep | Wrangler JK | N/A | 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.