HomeHVAC > A/C Flow RestrictorsFour Seasons 39031 A/C Expansion Valve - Rear
Part #: 39031

Four Seasons 39031 A/C Expansion Valve - Rear

Expansion Valve, Rear
17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Expansion Valve, Rear
Fitment: Honda and Toyota, Odyssey, Sequoia, Sienna, and Corolla
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Reliable A/C Expansion Valve for Honda and Toyota Vehicles

The Four Seasons Expansion Valve 39031 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for compatibility with select Honda and Toyota models, this brass TXV valve ensures efficient cooling performance with R134a refrigerant.

  • Constructed from durable brass for long-lasting use
  • Compatible with R134a refrigerant systems
  • TXV (Thermostatic Expansion Valve) type for precise refrigerant control
  • Fits Honda Corolla and Toyota Odyssey, Sequoia, and Sienna models
  • Part number 39031 for accurate identification and replacement

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on providing reliable A/C flow restrictors that maintain optimal refrigerant metering. This product line includes thermostatic expansion valves designed to regulate refrigerant flow based on temperature and pressure, helping to improve air conditioning efficiency and system longevity. The 39031 valve is part of this line, tailored for specific vehicle applications requiring precise refrigerant control.

Product Details and Specifications

The Four Seasons 39031 A/C Expansion Valve is crafted from brass, a material known for its corrosion resistance and durability in HVAC components. It is designed specifically for use with R134a refrigerant, the standard in many modern automotive air conditioning systems. As a TXV type valve, it adjusts refrigerant flow dynamically, responding to evaporator temperature changes to maintain consistent cooling performance. This valve is compatible with Honda Corolla and Toyota models including the Odyssey, Sequoia, and Sienna, ensuring proper fitment and function.

Common Applications and Issues Addressed

  • Restores proper refrigerant flow in A/C systems
  • Prevents evaporator freezing caused by incorrect refrigerant metering
  • Improves cooling efficiency in Honda Corolla and Toyota Odyssey, Sequoia, and Sienna vehicles
  • Replaces faulty or worn expansion valves causing inconsistent cabin temperatures
  • Helps maintain system pressure balance for reliable air conditioning operation

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39031, ensure the A/C system is properly evacuated and free of contaminants. Verify compatibility with your vehicle’s make and model before installation. Follow manufacturer torque specifications for fittings and connections to avoid leaks. It is recommended to replace the receiver/drier or accumulator when servicing the expansion valve to maintain system integrity.

Quality Assurance and Warranty

Four Seasons products undergo rigorous quality control to meet industry standards for HVAC components. The Expansion Valve 39031 is manufactured to provide consistent performance and durability. Please refer to Four Seasons’ warranty policy for specific coverage details related to this part number.

BrandFour Seasons
Part Number39031
PositionExpansion Valve, Rear
ColorBrass
Refrigerant TypeR134A
TypeTXV

This part fits 17 vehicles. Search below:

YearMakeModelPositionNotes
2010HondaOdysseyRearExpansion Valve
2009HondaOdysseyRearExpansion Valve
2008ToyotaSequoiaRearExpansion Valve
2007ToyotaSequoiaRearExpansion Valve
2007ToyotaSiennaRearTo 12/06; Expansion Valve
2006HondaOdysseyRearExpansion Valve
2006ToyotaSequoiaRearExpansion Valve
2006ToyotaSiennaRearExpansion Valve
2005HondaOdysseyRearExpansion Valve
2005ToyotaSequoiaRearExpansion Valve
2005ToyotaSiennaRearExpansion Valve
2004ToyotaCorollaN/AFrom 5/04; Expansion Valve
2004ToyotaSequoiaRearExpansion Valve
2004ToyotaSiennaRearExpansion Valve
2003ToyotaSequoiaRearExpansion Valve
2002ToyotaSequoiaRearExpansion Valve
2001ToyotaSequoiaRearExpansion 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:

01480210111390311550861180330191898752170313411819375903139031475204175903180221SHJA518071418071698851508080885150C030A17031CWK759031EX10234CT39031

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