HomeHVAC > A/C Flow RestrictorsFour Seasons 39427 A/C Expansion Valve - Rear
Part #: 39427

Four Seasons 39427 A/C Expansion Valve - Rear

Expansion Valve, Rear
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Expansion Valve, Rear
Fitment: Dodge, Durango
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Reliable A/C Expansion Valve for Dodge Durango

The Four Seasons Expansion Valve 39427 is engineered to regulate refrigerant flow in your Dodge Durango's air conditioning system. Designed with durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient cooling performance.

  • Constructed from corrosion-resistant aluminum material
  • Compatible with R134a refrigerant systems
  • Block type design with two mounting holes for secure installation
  • Female suction and liquid inlet/outlet fittings with sealing washer style
  • Meets or exceeds OEM specifications for reliable fit and function

Product Details and Specifications

The Four Seasons Expansion Valve 39427 features a block-type design made from aluminum, providing durability and resistance to corrosion. It is specifically designed for use with R134a refrigerant, common in modern automotive A/C systems. The valve includes two mounting holes for secure attachment and features female suction inlet and outlet fittings with No. 10 and No. 12 thread diameters respectively, both non-threaded for sealing washer connections. Similarly, the liquid inlet and outlet fittings are female with No. 6 and No. 8 thread diameters, also non-threaded and utilizing slim line sealing washers for leak-free operation. This part meets or exceeds OEM standards, ensuring compatibility and performance in your Dodge Durango's HVAC system.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on precise refrigerant flow control within automotive air conditioning systems. This product line is designed to maintain optimal system pressure and temperature, contributing to efficient cooling and system longevity. The 39427 valve is part of this line, offering a block-type valve solution tailored for specific vehicle applications like the Dodge Durango.

Common Applications and Issues Addressed

  • Regulates refrigerant flow to maintain proper evaporator temperature
  • Prevents compressor damage caused by improper refrigerant pressure
  • Eliminates inconsistent cabin cooling or warm air blowing from vents
  • Resolves A/C system cycling issues related to expansion valve failure
  • Helps maintain overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39427, ensure the system is properly evacuated and free of contaminants. Use the correct sealing washers on all female fittings to prevent leaks. Verify that the valve is securely mounted using the two provided mounting holes. This valve is designed for non-threaded connections, so avoid forcing fittings to prevent damage. Proper installation will help maintain system integrity and performance.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM specifications, providing dependable performance for your Dodge Durango. Four Seasons products are manufactured to strict quality standards to ensure durability and reliability. Please refer to Four Seasons' warranty policy for specific coverage details.

BrandFour Seasons
Part Number39427
PositionExpansion Valve, Rear
MaterialAluminum
ColorAluminum
Refrigerant TypeR134a
TypeBlock type
Mounting Hole Quantity2
Suction Inlet Fitting GenderFemale
Suction Outlet Fitting GenderFemale
Suction Inlet Fitting Thread DiameterNo. 10
Suction Outlet Fitting Thread DiameterNo. 12
Suction Inlet Thread TypeNot threaded
Suction Outlet Thread TypeNot threaded
Liquid Inlet Fitting GenderFemale
Liquid Outlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 6
Liquid Outlet Fitting Thread DiameterNo. 8
Liquid Inlet Thread TypeNot threaded
Liquid Outlet Thread TypeNot threaded
DescriptionExpansion valves
Liquid Inlet Size IN0.4
Liquid Inlet Size MM10.15
Liquid Inlet StyleSealing washer
Liquid Inlet TypeSealing washer
Liquid Outlet StyleSealing washer
Liquid Outlet TypeSealing washer
Lqd Out Size IN0.46
Lqd Out Size MM11.8
Meets / Exceeds OEM?Yes
O-Ring A Number/Desc[24401] / slim line sealing washer
O-Ring A Quantity1
O-Ring B Number/Desc[24402] / slimline washer

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025DodgeDurangoRearExpansion Valve
2024DodgeDurango3.6LV6RearExpansion Valve
2023DodgeDurangoRearExpansion Valve
2022DodgeDurangoRearExpansion Valve
2021DodgeDurangoRearExpansion Valve
2020DodgeDurangoRearExpansion Valve
2019DodgeDurangoRearExpansion Valve
2018DodgeDurangoRearExpansion Valve
2017DodgeDurangoRearExpansion Valve
2016DodgeDurangoRearExpansion Valve
2015DodgeDurangoRearExpansion Valve
2014DodgeDurangoRearExpansion Valve
2013DodgeDurangoRearExpansion Valve
2012DodgeDurangoRearExpansion Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

21742734119103942768147013AA759427A17427EX529494CT39427

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.