HomeHVAC > A/C Flow RestrictorsFour Seasons 39668 A/C Expansion Valve
Part #: 39668

Four Seasons 39668 A/C Expansion Valve

Expansion Valve
⚙️ 22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Expansion Valve
🚗Fitment: Mitsubishi, ASX, Eclipse Cross, Outlander, Outlander PHEV, and Outlander Sport
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Reliable A/C Expansion Valve for Mitsubishi Vehicles

The Four Seasons Expansion Valve 39668 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered from durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient cooling performance for select Mitsubishi models.

  • Constructed from lightweight aluminum for durability
  • Compatible with R134a refrigerant systems
  • Block type design with two mounting holes for secure installation
  • Female fittings with O-ring seals on suction and liquid inlets/outlets
  • Meets or exceeds OEM specifications for reliable performance
  • Designed without a solenoid for specific HVAC system requirements
  • Fits Mitsubishi ASX, Eclipse Cross, Outlander, Outlander PHEV, and Outlander Sport

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on precise refrigerant flow control components for automotive HVAC systems. The 39668 valve is part of this line, offering a block-type design that integrates seamlessly with R134a refrigerant systems. This product line emphasizes OEM compatibility and quality materials to maintain system efficiency and longevity.

Product Details and Specifications

This A/C expansion valve features female suction and liquid inlet/outlet fittings with No. 10 and No. 6 thread diameters, all sealed with O-rings to prevent leaks. The valve supports a superheat value of -4.0 and is designed for 1.5-ton HVAC systems. Its block-type construction and two mounting holes provide a secure fit in the HVAC assembly. The absence of a solenoid aligns with specific system designs requiring manual or external control.

Common Applications and Issues Addressed

  • Regulates refrigerant flow to maintain optimal cooling in Mitsubishi ASX and Eclipse Cross models
  • Prevents compressor damage caused by improper refrigerant pressure
  • Resolves inconsistent cabin cooling in Outlander and Outlander PHEV vehicles
  • Addresses A/C system inefficiencies due to faulty or worn expansion valves
  • Helps maintain proper superheat levels for efficient HVAC operation

Installation Notes and Tips

Ensure the system is evacuated and free of contaminants before installing the Four Seasons Expansion Valve 39668. Use appropriate tools to avoid damaging the aluminum body or O-ring seals. Verify thread sizes and fitting genders match the vehicle’s HVAC lines. Proper torque on mounting bolts and fittings is essential to prevent leaks and ensure system integrity.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39668 meets or exceeds OEM standards for fit, form, and function. Manufactured with precision aluminum and designed for R134a refrigerant systems, this valve supports reliable HVAC performance. Warranty details should be confirmed with the product documentation or supplier.

BrandFour Seasons
Part Number39668
PositionExpansion Valve
MaterialAluminum
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. 10
Liquid Inlet Fitting GenderFemale
Liquid Outlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 6
Liquid Outlet Fitting Thread DiameterNo. 10
DescriptionExpansion valves
Liquid Inlet StyleO-ring
Liquid Outlet StyleO-ring
Meets / Exceeds OEM?Yes
StyleW/o solenoid
Suction Inlet StyleO-ring
Suction Outlet StyleO-ring
Super Heat-4.0
Switch Included?Not included
Tonnage1.5

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
2020MitsubishiEclipse CrossN/AExpansion Valve
2020MitsubishiOutlanderN/AExpansion Valve
2020MitsubishiOutlander PHEVN/AExpansion Valve
2020MitsubishiOutlander SportN/AExpansion Valve
2019MitsubishiEclipse CrossN/AExpansion Valve
2019MitsubishiOutlanderN/AExpansion Valve
2019MitsubishiOutlander PHEVN/AExpansion Valve
2019MitsubishiOutlander SportN/AExpansion Valve
2018MitsubishiEclipse CrossN/AExpansion Valve
2018MitsubishiOutlanderN/AExpansion Valve
2018MitsubishiOutlander PHEVN/AExpansion Valve
2018MitsubishiOutlander SportN/AExpansion Valve
2017MitsubishiOutlanderN/AExpansion Valve
2017MitsubishiOutlander SportN/AExpansion Valve
2016MitsubishiOutlanderN/AExpansion Valve
2016MitsubishiOutlander SportN/AExpansion Valve
2015MitsubishiASXN/AExpansion Valve
2015MitsubishiOutlanderN/AExpansion Valve
2015MitsubishiOutlander SportN/AExpansion Valve
2014MitsubishiASXN/AExpansion Valve
2014MitsubishiOutlanderN/AExpansion Valve
2014MitsubishiOutlander SportN/AExpansion 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:

396687598897810A185A99552EX529498C

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