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Four Seasons 39630 A/C Expansion Valve - Rear
| Brand | Four Seasons 39630 |
|---|---|
| Position | Rear |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Style | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | O-Ring |
| 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. 12 |
| Suction Inlet Style | O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | O-Ring |
| Super Heat | 8.6 |
| Switch Included? | Not Included |
| Tonnage | 0.5 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Mazda · 5 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Block-type design. Aluminum construction with O-ring connections for secure sealing.
R134A compatible. Built for use with R134A refrigerant systems.
Cross-references Four Seasons 39630, UAC EX10684C and 759846 for the same application. See all 5.
Four Seasons 39630 Rear A/C Expansion Valve
The Four Seasons 39630 expansion valve is a block-type A/C flow restrictor built for rear HVAC service on select Mazda CX-9 models. It is an aluminum, R134A expansion valve with O-ring connections and OE-matching fitment details for direct replacement service.
Key Features
- Brand: Four Seasons Expansion Valve
- Part number: 39630
- Block-type A/C expansion valve
- Aluminum construction
- R134A refrigerant type
- Rear HVAC fitment for Mazda CX-9
- Female suction and liquid fittings with O-ring seals
- Meets or exceeds OEM requirements
- Super heat rating: 8.6
- Style: w/o solenoid
Product Details
Four Seasons 39630 is an A/C expansion valve for rear system service on 2016-2020 Mazda CX-9 models. This block-type valve regulates refrigerant flow through the rear evaporator circuit, helping maintain proper pressure drop and refrigerant metering in R134A systems. The aluminum body, female O-ring fittings, and OE-style dimensions support accurate replacement of the original rear expansion valve. This part cross-references UAC EX10684C for the same application.
The Four Seasons Expansion Valve line focuses on replacement HVAC flow control components for vehicle air conditioning systems. Part number 39630 is listed for rear use on Mazda CX-9 applications and is built to match the original service configuration without a solenoid.
What It Helps Address
- Rear A/C vent air that is not cooling properly
- Refrigerant metering issues in the rear HVAC circuit
- Pressure imbalance caused by a worn expansion valve
- Temperature fluctuations from restricted refrigerant flow
- Service replacement for a leaking or sticking rear valve
Installation Notes
Fits 2016-2020 Mazda CX-9, rear. Confirm R134A system compatibility, block-type valve layout, and the suction and liquid fitting thread sizes before installation. Inspect O-ring sealing surfaces, replace damaged seals as needed, and evacuate and recharge the system according to factory service procedures after replacement. Verify the rear HVAC circuit is clean and free of contamination before installing part number 39630.
Quality Assurance
Four Seasons 39630 is listed as meeting or exceeding OEM requirements for the specified application. The part is built with aluminum construction and OE-style connection details for service replacement on Mazda CX-9 rear A/C systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Mazda | CX-9 | Rear | Expansion Valve |
| 2019 | Mazda | CX-9 | Rear | Expansion Valve |
| 2018 | Mazda | CX-9 | Rear | Expansion Valve |
| 2017 | Mazda | CX-9 | Rear | Expansion Valve |
| 2016 | Mazda | CX-9 | Rear | Expansion Valve |
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