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Four Seasons 39433 A/C Expansion Valve
| Brand | Four Seasons 39433 |
|---|---|
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.4 |
| Liquid Inlet Size MM | 10.15 |
| Liquid Inlet Style | Captured O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Female Insert O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | O-Ring |
| Lqd Out Size IN | 0.550 |
| Lqd Out Size MM | 14.000 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24150] / Black O-Ring |
| O-Ring B Number/Desc | [24611] / Green O-Ring |
| O-Ring C Number/Desc | [24661] / Green O-Ring |
| O-Ring D Number/Desc | [24681] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.700 |
| Suc In Size MM | 17.8 |
| Suc Out Size IN | 0.72 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 12 |
| Suction Inlet Style | Female Insert O-Ring |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Captured O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | O-Ring |
| Super Heat | -3.500 |
| Switch Included? | Not Included |
| Tonnage | 1.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Nissan · 4 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C service.
Block type design. Aluminum construction with O-ring connections for a secure seal.
Without solenoid. A straightforward expansion valve for R134A systems.
Cross-references Four Seasons 39433, Global Parts Distributors LLC 3411815 and 217433 for the same application. See all 8.
Four Seasons 39433 Expansion Valve for Nissan Maxima
The Four Seasons 39433 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It is listed for 2011-2014 Nissan Maxima applications and uses aluminum construction with OE-style O-ring connections for the liquid and suction lines.
Key Features
- Four Seasons Expansion Valve, part number 39433
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum body and aluminum finish
- Female O-ring inlet and outlet connections
- Liquid inlet: No. 6; liquid outlet: No. 8
- Suction inlet and outlet: No. 12
- Meets or exceeds OEM specifications
- Fits 2011-2014 Nissan Maxima, N/A
Product Details
Four Seasons 39433 is an A/C expansion valve used to regulate refrigerant flow into the evaporator on the 2011-2014 Nissan Maxima. The block-style design, captured and female insert O-ring sealing surfaces, and OE-matched port sizing support proper refrigerant metering in R134A systems. This part number 39433 also cross-references Global Parts Distributors LLC 3411815 for the same application.
The Four Seasons Expansion Valve line focuses on direct-fit HVAC service parts for vehicle air conditioning repairs. For Nissan Maxima owners servicing a weak or inconsistent A/C system, this valve provides the correct connection style and system-specific fitment for the listed model years.
Common Problems This Part Can Address
- Warm air from the vents due to improper refrigerant metering
- Erratic evaporator performance in the A/C system
- Restricted or uneven refrigerant flow through the HVAC circuit
- Leaks at worn O-ring connection points on the expansion valve
- Poor cooling performance on 2011-2014 Nissan Maxima models
Installation Notes and Tips
Verify the vehicle uses an R134A system and confirm the line connection sizes before installation. Replace damaged O-rings and inspect the surrounding A/C components for contamination, blockage, or compressor-related debris before reassembly. Proper evacuation and recharge procedures are required after service to restore correct system operation on the Nissan Maxima.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements, making it a direct replacement option for the specified Nissan Maxima applications. Part number 39433 is built to match the original connection style and refrigerant control needs of the listed vehicles.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Nissan | Maxima | N/A | Expansion Valve |
| 2013 | Nissan | Maxima | N/A | Expansion Valve |
| 2012 | Nissan | Maxima | N/A | Expansion Valve |
| 2011 | Nissan | Maxima | N/A | Expansion Valve |
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