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Four Seasons 39134 A/C Expansion Valve - Front
Reliable A/C Expansion Valve for Lexus LS430
The Four Seasons Expansion Valve 39134 is engineered to maintain optimal air conditioning performance in your Lexus LS430. Designed specifically for R134a refrigerant systems, this aluminum block-type valve ensures precise refrigerant flow control for efficient cooling.
Key Features of Four Seasons Expansion Valve 39134
- Constructed from durable aluminum for corrosion resistance
- Compatible with R134a refrigerant systems
- Block type design with two mounting holes for secure installation
- Female suction and liquid inlet/outlet fittings with captured o-ring seals
- Meets or exceeds OEM specifications for reliable fit and function
- Includes green o-rings [24611] and [24661] for leak-free connections
Detailed Product Description
The Four Seasons Expansion Valve 39134 is a precision-engineered A/C flow restrictor designed to regulate refrigerant flow in the Lexus LS430's air conditioning system. Its aluminum construction provides strength and resistance to corrosion, essential for long-term durability. The block-type valve features two mounting holes for stable attachment and female fittings on both suction and liquid lines, sized No. 12 for suction and No. 6 and No. 10 for liquid inlet and outlet respectively. The captured o-ring style fittings ensure a secure, leak-resistant seal, critical for maintaining system pressure and performance. This valve is specifically designed for R134a refrigerant, the standard for modern automotive A/C systems.
Applications and Common Issues Addressed
- Restores proper refrigerant flow in Lexus LS430 A/C systems
- Resolves inconsistent cabin cooling or fluctuating temperatures
- Prevents compressor damage caused by improper refrigerant metering
- Eliminates refrigerant leaks due to worn or damaged expansion valves
- Improves overall air conditioning efficiency and reliability
Installation Notes and Tips
- Ensure system is evacuated and depressurized before removal
- Verify compatibility with Lexus LS430 and R134a refrigerant systems
- Inspect and replace o-rings as needed to prevent leaks
- Use proper torque specifications on mounting bolts to avoid damage
- Test system pressure and cooling performance after installation
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39134 meets or exceeds OEM standards, ensuring a precise fit and reliable operation in the Lexus LS430. Manufactured with high-quality aluminum and equipped with factory-supplied green o-rings, this valve is built for durability and leak-free performance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
About the Four Seasons Expansion Valve Product Line
The Four Seasons Expansion Valve line focuses on delivering dependable A/C flow restrictors designed to meet exacting OEM specifications. This product line emphasizes material quality and precise fitment, providing components that integrate seamlessly with vehicle HVAC systems. The 39134 valve exemplifies this approach, offering a block-type design optimized for the Lexus LS430's R134a refrigerant system to maintain consistent cooling performance.
| Brand | Four Seasons |
|---|---|
| Part Number | 39134 |
| Position | Expansion Valve, 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 | -1.000 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Lexus | LS430 | Front | Expansion Valve |
| 2005 | Lexus | LS430 | Front | Expansion Valve |
| 2004 | Lexus | LS430 | Front | Expansion Valve |
| 2003 | Lexus | LS430 | Front | Expansion Valve |
| 2002 | Lexus | LS430 | Front | Expansion Valve |
| 2001 | Lexus | LS430 | Front | 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.