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Four Seasons 39622 A/C Expansion Valve - Rear
| Brand | Four Seasons 39622 |
|---|---|
| Position | Rear |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Super Heat | 10.000 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Cadillac, Chevrolet, and GMC · 4 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C flow control.
Aluminum block type. Lightweight construction with sealing-washer fittings for a secure seal.
R134A compatible. Built for use with R134A refrigerant systems.
Cross-references Four Seasons 39622, UAC EX10600C and 759838 for the same application. See all 7.
Four Seasons 39622 Expansion Valve Overview
Four Seasons 39622 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and sealing-washer connections for a secure HVAC seal. It meets or exceeds OEM requirements and is specified for rear HVAC service on select Cadillac, GMC, and Chevrolet applications.
Use this Four Seasons Expansion Valve line component when servicing rear air conditioning flow control on vehicles such as the 2020 Cadillac Escalade ESV, 2019-2020 GMC Yukon XL, and 2019 Chevrolet Suburban 3500 HD. The 39622 expansion valve is a direct-fit style replacement for the listed applications.
Key Features
- Part number: 39622
- Brand: Four Seasons Expansion Valve
- Block-type A/C expansion valve
- Aluminum construction
- For R134A refrigerant systems
- Female inlet and outlet fittings with sealing washers
- Liquid side thread sizes: No. 8 inlet and No. 8 outlet
- Suction side thread sizes: No. 10 inlet and No. 12 outlet
- 2 mounting holes
- Super heat setting: 10.000
- Meets or exceeds OEM specifications
- Style: w/o solenoid
Product Details
The Four Seasons 39622 expansion valve regulates refrigerant flow into the evaporator to help maintain proper A/C system pressure and temperature balance. Its block-style design, female sealing-washer fittings, and aluminum housing match the requirements of rear HVAC systems using R134A refrigerant. This part number 39622 is cross-referenced to UAC EX10600C for the same application.
Common A/C Issues This Part May Address
- Rear A/C outlet air that is too warm
- Erratic evaporator refrigerant metering
- Improper system superheat control
- Restricted or uneven refrigerant flow at the expansion valve
- HVAC performance loss in rear climate control circuits
Installation Notes
Verify refrigerant type, fitting sizes, and rear-position layout before installation. Replace sealing washers as required during service, and confirm the system is evacuated and recharged to the correct specification after repair. For fitment, this part fits 2020 Cadillac Escalade ESV, rear; fits 2019-2020 GMC Yukon XL, rear; and fits 2019 Chevrolet Suburban 3500 HD, rear.
Quality Assurance
Four Seasons 39622 is listed as meeting or exceeding OEM requirements for the specified applications, supporting a direct replacement approach for rear HVAC service on compatible Cadillac Escalade ESV, GMC Yukon XL, and Chevrolet Suburban 3500 HD models.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Cadillac | Escalade ESV | Rear | Expansion Valve |
| 2020 | GMC | Yukon XL | Rear | Expansion Valve |
| 2019 | Chevrolet | Suburban 3500 HD | Rear | Expansion Valve |
| 2019 | GMC | Yukon XL | Rear | Expansion Valve |
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