Four Seasons 39477 A/C Expansion Valve - Front
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Four Seasons
 Expansion Valve

Four Seasons 39477 A/C Expansion Valve - Front

Brand Four Seasons 39477
Position Front
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 Sealing Washer
Liquid Inlet Thread Type Not Threaded
Liquid Inlet Type Sealing Washer
Liquid Outlet Fitting Gender Female
Liquid Outlet Fitting Thread Diameter No. 8
Liquid Outlet Style Sealing Washer
Liquid Outlet Thread Type Not Threaded
Liquid Outlet Type Sealing Washer
Lqd Out Size IN 0.46
Lqd Out Size MM 11.8
Material Aluminum
Meets / Exceeds OEM? Yes
Mounting Hole Quantity 2
O-Ring A Number/Desc [24401] / Slim Line Sealing Washer
O-Ring B Number/Desc [24402] / Slimline Washer
O-Ring C Number/Desc [24403] / Slimline Washer
O-Ring D Number/Desc [24404] / Slimline Washer
Refrigerant Type R134A
Style w/o Solenoid
Suc In Size IN 0.63
Suc In Size MM 16
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 Sealing Washer
Suction Inlet Thread Type Not Threaded
Suction Inlet Type Sealing Washer
Suction Outlet Fitting Gender Female
Suction Outlet Fitting Thread Diameter No. 12
Suction Outlet Style Sealing Washer
Suction Outlet Thread Type Not Threaded
Suction Outlet Type Sealing Washer
Super Heat -0.500
Switch Included? Not Included
Tonnage 2.0
Type Block Type
Product line Expansion Valve
Fits Dodge and Jeep · 44 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable A/C flow control.

Aluminum block type. Lightweight construction with sealing-washer connections for a secure fit.

R134A compatible. Built for modern refrigerant systems without a solenoid.

Cross-references Four Seasons 39477, Global Parts Distributors LLC 3411597 and UAC EX10466C for the same application. See all 9.

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Four Seasons 39477 Expansion Valve

Four Seasons 39477 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and sealing-washer connections for precise refrigerant metering. It is specified for 2.0 ton applications and meets or exceeds OEM requirements for service replacement on select Jeep and Dodge HVAC systems.

Key Features

  • Block-type A/C expansion valve for R134A refrigerant systems
  • Aluminum construction with aluminum finish
  • Sealing-washer inlet and outlet connections
  • Female suction and liquid fittings with non-threaded interfaces
  • Designed for 2.0 ton HVAC applications
  • Meets or exceeds OEM specifications
  • Style: w/o solenoid

Product Details

The Four Seasons Expansion Valve line is built for accurate refrigerant flow control in automotive air conditioning systems. Part number 39477 regulates liquid refrigerant entering the evaporator, helping maintain proper superheat and system balance in R134A-equipped vehicles. This valve uses a block-style design with female suction and liquid ports, sealing-washer interfaces, and aluminum construction for service replacement in the HVAC flow restrictor category. It cross-references UAC EX10466C for the same application.

Fits 2013-2025 Dodge Durango, Front. Fits 2012-2016 Jeep Grand Cherokee, N/A. Fits 2017-2021 Jeep Grand Cherokee, N/A, w/ R134a. Fits 2018 Jeep Grand Cherokee, N/A. Fits 2021 Jeep Grand Cherokee L, N/A, w/ R134a. Fits 2022 Jeep Grand Cherokee, N/A, Old Body Style. Fits 2022 Jeep Grand Cherokee WK, N/A.

Common Repair Symptoms

  • Weak or inconsistent cabin cooling
  • Incorrect evaporator refrigerant control
  • Compressor cycling caused by flow restriction issues
  • Uneven vent temperatures in R134A systems
  • A/C performance loss on Jeep Grand Cherokee or Dodge Durango HVAC systems

Installation Notes

Verify the vehicle uses the listed R134A configuration before installation. Match the suction and liquid port sizes, sealing-washer style, and block-type layout to the original component on the Jeep Grand Cherokee, Grand Cherokee WK, Grand Cherokee L, or Dodge Durango application. Confirm the system is clean and properly evacuated before replacing the valve, and inspect mating surfaces and seals during service.

Quality Assurance

Four Seasons 39477 is engineered to meet or exceed OEM requirements for direct replacement use in supported applications. The Four Seasons Expansion Valve line is focused on restoring correct A/C refrigerant control and system operation in factory-style HVAC setups.

Related reading

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2025DodgeDurango———FrontExpansion Valve
2024DodgeDurango—3.6LV6FrontExpansion Valve
2023DodgeDurango———FrontExpansion Valve
2022DodgeDurango———FrontExpansion Valve
2022JeepGrand Cherokee———N/AOld Body Style; Expansion Valve
2022JeepGrand Cherokee WK———N/AExpansion Valve
2021DodgeDurango———FrontExpansion Valve
2021JeepGrand Cherokee———N/Aw/ R134a; Expansion Valve
2021JeepGrand Cherokee L———N/Aw/ R134a; Expansion Valve
2020DodgeDurango———FrontExpansion Valve
2020JeepGrand Cherokee———N/Aw/ R134a; Expansion Valve
2019DodgeDurango———FrontExpansion Valve
2019JeepGrand Cherokee———N/Aw/ R134a; Expansion Valve
2018DodgeDurango———FrontExpansion Valve
2018JeepGrand CherokeeLimited5.7LV8N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeLimited3.6LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeLimited3.0LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeLaredo3.6LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeOverland5.7LV8N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeOverland3.6LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeOverland3.0LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeSRT6.4LV8N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeSummit5.7LV8N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeSummit3.6LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeSummit3.0LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeTrailhawk5.7LV8N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeTrailhawk3.6LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeTrailhawk3.0LV6N/Aw/ R134a; Expansion Valve
2018JeepGrand CherokeeAltitude3.6LV6N/AExpansion Valve
2018JeepGrand CherokeeHigh Altitude5.7LV8N/AExpansion Valve
2018JeepGrand CherokeeHigh Altitude3.6LV6N/AExpansion Valve
2018JeepGrand CherokeeHigh Altitude3.0LV6N/AExpansion Valve
2018JeepGrand CherokeeTrackhawk6.2LV8N/AExpansion Valve
2017DodgeDurango———FrontExpansion Valve
2017JeepGrand Cherokee———N/Aw/ R134a; Expansion Valve
2016DodgeDurango———FrontExpansion Valve
2016JeepGrand Cherokee———N/AExpansion Valve
2015DodgeDurango———FrontExpansion Valve
2015JeepGrand Cherokee———N/AExpansion Valve
2014DodgeDurango———FrontExpansion Valve
2014JeepGrand Cherokee———N/AExpansion Valve
2013DodgeDurango———FrontExpansion Valve
2013JeepGrand Cherokee———N/AExpansion Valve
2012JeepGrand Cherokee———N/AExpansion Valve
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 39477Global Parts Distributors LLC — 3411597UAC — EX10466C217477759477313137868200524AAA17477T39477