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Four Seasons 39695 A/C Expansion Valve - Rear
Reliable A/C Expansion Valve for Toyota Sienna
The Four Seasons Expansion Valve 39695 is engineered to regulate refrigerant flow in your Toyota Sienna's air conditioning system. Designed specifically for models using R134a and R1234yf refrigerants, this aluminum block-type valve ensures precise temperature control and system efficiency.
- Constructed from durable aluminum material
- Compatible with R134a and R1234yf refrigerants
- Block type design without solenoid
- Liquid inlet size: No. 6 (10.15 mm) with O-ring style
- Liquid outlet size: No. 10 (15.5 mm) with O-ring style
- Suction inlet and outlet sizes: No. 8 and No. 10 (18.3 mm) with O-ring style
- Meets or exceeds OEM specifications
- Designed for 1.5 tonnage A/C systems
- Super heat rating of 13.000
About the Four Seasons Expansion Valve Product Line
The Four Seasons Expansion Valve line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. The 39695 model is part of this line, offering a block-type valve designed to maintain optimal superheat and system performance. This product line is engineered to meet or exceed OEM standards, ensuring compatibility and reliability for Toyota Sienna vehicles.
Product Details and Specifications
This A/C expansion valve is crafted from aluminum, providing corrosion resistance and durability under varying operating conditions. It features O-ring style liquid and suction inlet/outlet connections sized to fit Toyota Sienna A/C systems accurately. The valve supports both R134a and R1234yf refrigerants, making it suitable for modern and updated HVAC setups. Its block-type design without a solenoid simplifies the flow restriction process while maintaining precise control over refrigerant superheat, rated at 13.000. The valve is designed for 1.5 tonnage systems, matching the cooling capacity requirements of the Toyota Sienna.
Common Applications and Issues Addressed
- Regulates refrigerant flow to prevent compressor damage
- Maintains proper superheat to optimize cooling efficiency
- Prevents evaporator freezing and system pressure imbalances
- Replaces faulty or worn expansion valves in Toyota Sienna A/C systems
- Supports transition to newer refrigerants like R1234yf
Installation Notes and Tips
Ensure the system is properly evacuated and free of contaminants before installing the Four Seasons Expansion Valve 39695. Use compatible O-rings and verify inlet and outlet sizes match the vehicle’s specifications. This valve does not include mounting hardware, so retain original components or source appropriate fasteners. Proper torque and sealing are essential to prevent leaks and maintain system integrity.
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39695 meets or exceeds OEM quality standards for fit, form, and function. Manufactured with precision aluminum and tested for durability, this valve supports reliable HVAC system performance. Warranty details should be confirmed with the product documentation or supplier to ensure coverage terms.
| Brand | Four Seasons |
| Part Number | 39695 |
| Position | Expansion Valve, Rear |
| Material | Aluminum |
| Color | Aluminum |
| Refrigerant Type | R134a r1234yf |
| Type | Block type |
| Mounting Hardware Included | No |
| Description | Expansion valves |
| Liquid Inlet Size | No. 6 |
| Liquid Inlet Size MM | 10.15 |
| Liquid Inlet Style | O-ring |
| Liquid Outlet Size | No. 10 |
| Liquid Outlet Style | O-ring |
| Lqd Out Size MM | 15.5 |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suc In Size MM | 18.3 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Size | No. 8 |
| Suction Inlet Style | O-ring |
| Suction Outlet Size | No. 10 |
| Suction Outlet Style | O-ring |
| Super Heat | 13.000 |
| Tonnage | 1.5 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Toyota | Sienna | Rear | Expansion Valve |
| 2024 | Toyota | Sienna | Rear | Expansion Valve |
| 2023 | Toyota | Sienna | Rear | Expansion Valve |
| 2022 | Toyota | Sienna | Rear | Expansion Valve |
| 2021 | Toyota | Sienna | 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.