Four Seasons 39115 A/C Expansion Valve - Rear
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Four Seasons
 Expansion Valve

Four Seasons 39115 A/C Expansion Valve - Rear

Brand Four Seasons 39115
Position Rear
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 10.2
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 Insert O-Ring
Lqd Out Size IN 0.540
Lqd Out Size MM 13.6
Material Aluminum
Meets / Exceeds OEM? Yes
Mounting Hole Quantity 2
O-Ring A Number/Desc [24608] / Green O-Ring
O-Ring B Number/Desc [24610] / Green O-Ring
O-Ring C Number/Desc [24611] / Green O-Ring
O-Ring D Number/Desc [24681] / Green O-Ring
Refrigerant Type R134A
Style w/o Solenoid
Suc In Size IN 0.650
Suc In Size MM 16.4
Suc Out Size IN 0.72
Suc Out Size MM 18.3
Suction Inlet Fitting Gender Female
Suction Inlet Fitting Thread Diameter No. 10
Suction Inlet Style Female Insert O-Ring
Suction Inlet Thread Type Not Threaded
Suction Inlet Type Insert 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 8.500
Switch Included? Not Included
Tonnage 1.000
Type Block Type
Product line Expansion Valve
Fits Nissan and INFINITI · 32 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.

Aluminum construction. Lightweight material resists corrosion in demanding A/C service.

Block type design. Built for efficient refrigerant flow control in the A/C system.

Cross-references Four Seasons 39115, Global Parts Distributors LLC 3411777 and Global Parts Distributors LLC 3411871 for the same application. See all 17.

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Rear A/C Expansion Valve for Nissan and INFINITI

Four Seasons 39115 is a block-type A/C expansion valve for R134A systems. It regulates refrigerant flow into the evaporator to help maintain proper superheat and stable rear cabin cooling in supported applications.

Key Features

  • Block-type A/C expansion valve for rear HVAC systems
  • Aluminum construction with aluminum finish
  • R134A refrigerant type
  • Female inlet and outlet fittings with O-ring sealing
  • Mounting hole quantity: 2
  • Super heat rating: 8.5
  • Meets or exceeds OEM requirements
  • Style: w/o solenoid

Product Details

Four Seasons Expansion Valve 39115 is built for rear air conditioning service on select Nissan and INFINITI vehicles. It uses captured and insert O-ring connections across the suction and liquid ports, with No. 10 and No. 12 suction thread diameters and No. 6 and No. 8 liquid thread diameters. The valve is specified for R134A systems and is engineered to meter refrigerant flow through the evaporator circuit for consistent cooling performance. This part cross-references UAC EX10186C for the same application.

Compatible With 2005-2015 Nissan Armada, rear; 2005-2012 Nissan Pathfinder, rear; 2004-2010 INFINITI QX56, rear; and 2004-2009 Nissan Quest, rear. Four Seasons 39115 is also referenced in aftermarket catalogs under related numbers including 3759115 and T39115.

Common Problems This Part Can Address

  • Rear A/C blowing warm air due to restricted refrigerant metering
  • Uneven evaporator performance in the rear HVAC circuit
  • Incorrect superheat control in an R134A system
  • Leak concerns at worn O-ring sealing points
  • Poor cooling response after compressor or system service

Installation Notes and Tips

Verify the vehicle uses the rear HVAC layout listed above before ordering. Replace the O-rings with the correct refrigerant-safe seals during installation, and inspect the mating surfaces for corrosion or damage. After installation, evacuate and recharge the system to the proper specification and confirm rear vent temperature and compressor cycling behavior.

Quality Assurance

Four Seasons 39115 is an OEM-level replacement part that meets or exceeds original equipment requirements for the listed applications. Its aluminum construction and specified superheat setting support accurate refrigerant control in rear A/C service.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015NissanArmadaRearExpansion Valve
2014NissanArmadaRearExpansion Valve
2013NissanArmadaRearExpansion Valve
2012NissanArmadaRearExpansion Valve
2012NissanPathfinderRearExpansion Valve
2011NissanArmadaRearExpansion Valve
2011NissanPathfinderRearExpansion Valve
2010INFINITIQX56RearExpansion Valve
2010NissanArmadaRearExpansion Valve
2010NissanPathfinderRearExpansion Valve
2009INFINITIQX56RearExpansion Valve
2009NissanArmadaRearExpansion Valve
2009NissanPathfinderRearExpansion Valve
2009NissanQuestRearExpansion Valve
2008INFINITIQX56RearExpansion Valve
2008NissanArmadaRearExpansion Valve
2008NissanPathfinderRearExpansion Valve
2008NissanQuestRearExpansion Valve
2007INFINITIQX56RearExpansion Valve
2007NissanArmadaRearExpansion Valve
2007NissanPathfinderRearExpansion Valve
2007NissanQuestRearExpansion Valve
2006INFINITIQX56RearExpansion Valve
2006NissanArmadaRearExpansion Valve
2006NissanPathfinderRearExpansion Valve
2006NissanQuestRearExpansion Valve
2005INFINITIQX56RearExpansion Valve
2005NissanArmadaRearExpansion Valve
2005NissanPathfinderRearExpansion Valve
2005NissanQuestRearExpansion Valve
2004INFINITIQX56RearExpansion Valve
2004NissanQuestRearExpansion Valve
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 39115Global Parts Distributors LLC — 3411777Global Parts Distributors LLC — 3411871Pioneer Automotive Industries — 759115UAC — EX10186C180186217115807221922005Z0001550913313112937591151113911519189939A17115CWK759115T39115