OE Quality
60-Day Returns

Four Seasons 39689 A/C Expansion Valve
Reliable A/C Expansion Valve for Chevrolet Bolt EV and Bolt EUV
The Four Seasons Expansion Valve 39689 is engineered to regulate refrigerant flow in your Chevrolet Bolt EV or Bolt EUV's air conditioning system. Designed with durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient cooling performance.
Key Features of Four Seasons Expansion Valve 39689
- Constructed from lightweight, corrosion-resistant aluminum
- Compatible with R134a refrigerant systems
- Block type design without solenoid for precise flow control
- Liquid and suction ports feature O-ring style seals for secure connections
- Liquid inlet size No. 6 and outlet size No. 8
- Suction inlet size No. 10 and outlet size No. 12
- Meets or exceeds OEM specifications for Chevrolet Bolt EV and Bolt EUV
- Includes mounting hardware for straightforward installation
- Designed for 1-ton A/C systems with a superheat value of -0.5
About the Four Seasons Expansion Valve Product Line
The Expansion Valve line from Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes OEM compatibility and durability, providing reliable temperature regulation and system efficiency. The 39689 valve is part of this line, tailored specifically for electric vehicles like the Chevrolet Bolt EV and Bolt EUV.
Detailed Product Description
The Four Seasons Expansion Valve 39689 is a block-type A/C flow restrictor designed to regulate refrigerant flow in R134a systems. Its aluminum construction offers resistance to corrosion and heat, contributing to long service life. The valve features O-ring style liquid and suction inlet and outlet ports, ensuring leak-free connections. Sized appropriately for the Chevrolet Bolt EV and Bolt EUV, it supports a 1-ton cooling capacity with a superheat rating of -0.5, maintaining optimal system performance without a solenoid. This valve meets or exceeds OEM standards, making it a reliable replacement part for maintaining your vehicle's air conditioning efficiency.
Common Applications and Issues Addressed
- Restores proper refrigerant flow in Chevrolet Bolt EV and Bolt EUV 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 HVAC system efficiency and reliability
Installation Notes and Tips
When installing the Four Seasons Expansion Valve 39689, ensure all O-ring seals are properly seated to prevent leaks. Verify compatibility with your Chevrolet Bolt EV or Bolt EUV model year and refrigerant type (R134a). It is recommended to evacuate and recharge the A/C system after installation to maintain optimal performance. Use the included mounting hardware to secure the valve firmly in place.
Quality Assurance and Warranty
This Four Seasons Expansion Valve meets or exceeds OEM specifications for fit, form, and function. Manufactured with high-quality aluminum and precision engineering, it is designed for durability and reliable operation. Please refer to Four Seasons' warranty policy for coverage details on this part number 39689.
| Brand | Four Seasons |
| Part Number | 39689 |
| Position | Expansion Valve |
| Material | Aluminum |
| Refrigerant Type | R134a |
| Type | Block type |
| Mounting Hardware Included | Yes |
| Description | Expansion valves |
| Liquid Inlet Size | No. 6 |
| Liquid Inlet Style | O-ring |
| Liquid Outlet Size | No. 8 |
| Liquid Outlet Style | O-ring |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suction Inlet Size | No. 10 |
| Suction Inlet Style | O-ring |
| Suction Outlet Size | No. 12 |
| Suction Outlet Style | O-ring |
| Super Heat | -0.5 |
| Tonnage | 1 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2023 | Chevrolet | Bolt EUV | N/A | Expansion Valve |
| 2023 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2022 | Chevrolet | Bolt EUV | N/A | Expansion Valve |
| 2022 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2021 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2020 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2019 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2018 | Chevrolet | Bolt EV | N/A | Expansion Valve |
| 2017 | Chevrolet | Bolt EV | 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.