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Four Seasons 39685 A/C Expansion Valve - Front
| Brand | Four Seasons 39685 |
|---|---|
| Position | Front |
| Material | Aluminum |
| Refrigerant Type | R134a |
| Type | Block type |
| Mounting Hardware Included | Yes |
| Description | Expansion valves |
| Liquid Inlet Size | No. 6 |
| Liquid Inlet Style | Sealing washer |
| Liquid Outlet Size | No. 8 |
| Liquid Outlet Style | Sealing washer |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suction Inlet Size | No. 10 |
| Suction Inlet Style | Sealing washer |
| Suction Outlet Size | No. 12 |
| Suction Outlet Style | Sealing washer |
| Super Heat | -7.000 |
| Tonnage | 1 |
| Product line | Expansion Valve |
| Fits | Cadillac · 5 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight material helps resist corrosion in A/C service.
Block type design. Provides precise refrigerant flow control for the system.
Cross-references Four Seasons 39685, Global Parts Distributors LLC 3411972 and UAC EX10594C for the same application. See all 5.
Four Seasons 39685 A/C Expansion Valve
Four Seasons 39685 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and sealing-washer connections for the liquid and suction lines. It is engineered for direct replacement service on the front HVAC circuit of select Cadillac CT6 models, including 2016-2020 applications.
Key Features
- Block-type A/C expansion valve for mobile HVAC service
- Aluminum construction for corrosion-resistant durability
- R134A refrigerant type
- Liquid inlet: No. 6 with sealing washer
- Liquid outlet: No. 8 with sealing washer
- Suction inlet: No. 10 with sealing washer
- Suction outlet: No. 12 with sealing washer
- Style: w/o solenoid
- Meets or exceeds OEM requirements
- Mounting hardware included
Product Details
Four Seasons Expansion Valve 39685 is part of the brand’s long-running mobile A/C product line, focused on replacement components that are tested for dependable operation in real-world HVAC service. This expansion valve regulates refrigerant flow in the air conditioning system to help maintain proper evaporator performance and system balance. It is a direct-fit choice for 2016-2020 Cadillac CT6 front expansion valve service and is also cross-referenced to Global Parts Distributors LLC 3411972 and UAC EX10594C for the same application. Four Seasons 39685 is built for R134A systems and uses sealing-washer ports to support a secure connection at the liquid and suction lines.
What It Helps Fix
- Uneven cabin cooling from incorrect refrigerant metering
- Front A/C performance loss on Cadillac CT6 models
- Evaporator icing or poor temperature control caused by valve restriction
- Refrigerant flow issues in R134A HVAC systems
- Leak concerns at worn expansion valve sealing surfaces
Installation Notes
Verify the vehicle uses the correct front HVAC configuration before replacement. Inspect the sealing washers and line surfaces during installation, and replace any damaged seals or contaminated components as needed. Confirm refrigerant system cleanliness and proper evacuation before recharging. This part number, 39685, is intended for direct replacement service on the specified Cadillac CT6 applications.
Quality Assurance
Four Seasons states that its HVAC components are engineered and tested for long service life, drawing on more than 50 years of mobile A/C experience. This part meets or exceeds OEM requirements for the listed application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Cadillac | CT6 | Front | Expansion Valve |
| 2019 | Cadillac | CT6 | Front | Expansion Valve |
| 2018 | Cadillac | CT6 | Front | Expansion Valve |
| 2017 | Cadillac | CT6 | Front | Expansion Valve |
| 2016 | Cadillac | CT6 | Front | Expansion Valve |
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