HomeHVAC > A/C Flow RestrictorsUniversal Air EX9731C A/C Expansion Valve - Front or Rear
Part #: EX9731C

Universal Air EX9731C A/C Expansion Valve - Front or Rear

Block Expansion Valve, Rear
72 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Block Expansion Valve, Rear
Fitment: Hyundai and Kia, Santa Fe XL, Santa Fe, Santa Fe Sport, Forte5, Cadenza, Optima, Azera, and Sonata
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Reliable A/C Expansion Valve for Hyundai and Kia Models

The Universal Air Block Expansion Valve EX9731C is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for compatibility with select Hyundai and Kia models, this A/C expansion valve helps maintain optimal cooling performance and system efficiency.

  • Compatible with Hyundai Azera, Sonata, Santa Fe, Santa Fe Sport, Santa Fe XL, and Kia Cadenza, Forte5, Optima models
  • Part number EX9731C ensures precise fit and function
  • Controls refrigerant flow to improve A/C system performance
  • Part of the Universal Air Block Expansion Valve product line
  • Manufactured to meet OEM specifications for reliable operation

About the Universal Air Block Expansion Valve Product Line

The Block Expansion Valve line from Universal Air focuses on delivering dependable A/C flow restrictors designed to regulate refrigerant pressure and flow within automotive air conditioning systems. This product line emphasizes compatibility and performance, providing components like the EX9731C that fit specific vehicle makes and models, including Hyundai and Kia. These valves are engineered to maintain system balance and support consistent cabin cooling.

Product Details and Functionality

The EX9731C A/C expansion valve plays a critical role in your vehicle’s HVAC system by controlling the amount of refrigerant entering the evaporator. This regulation is essential for maintaining proper pressure and temperature, which directly affects the efficiency and effectiveness of the air conditioning system. Designed for use in Hyundai Azera, Sonata, Santa Fe series, and Kia Cadenza, Forte5, and Optima vehicles, this valve ensures a precise fit and reliable operation.

Common Issues Addressed by the EX9731C Expansion Valve

  • Inconsistent or insufficient cabin cooling
  • Fluctuating A/C system pressure
  • Refrigerant flow restrictions causing system inefficiency
  • Evaporator freezing or overheating
  • Unusual noises from the HVAC system

Installation Notes and Tips

  • Ensure vehicle compatibility with Hyundai Azera, Sonata, Santa Fe, Santa Fe Sport, Santa Fe XL, and Kia Cadenza, Forte5, Optima models before installation
  • Follow manufacturer guidelines for refrigerant handling and system evacuation
  • Inspect related HVAC components for wear or damage during replacement
  • Use proper tools to avoid damage to the valve or surrounding parts
  • Test the A/C system after installation to confirm proper operation

Quality Assurance and Warranty

The Universal Air Block Expansion Valve EX9731C is manufactured to meet or exceed OEM standards, ensuring durability and consistent performance. While specific warranty details may vary, Universal Air products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

This part fits 72 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2019HyundaiSanta Fe XLRearBlock Expansion Valve
2018HyundaiSanta FeRearBlock Expansion Valve
2018HyundaiSanta Fe SportRearBlock Expansion Valve
2018HyundaiSanta Fe XLRearBlock Expansion Valve
2018KiaForte5SX1.6LL4FrontType II; Block Expansion Valve
2017HyundaiSanta FeRearBlock Expansion Valve
2017HyundaiSanta Fe SportRearBlock Expansion Valve
2017HyundaiSanta Fe XLRearBlock Expansion Valve
2017KiaForte5SX1.6LL4FrontType II; Block Expansion Valve
2016HyundaiSanta FeRearBlock Expansion Valve
2016HyundaiSanta Fe SportRearBlock Expansion Valve
2016HyundaiSanta Fe XLRearBlock Expansion Valve
2016KiaCadenzaN/ABlock Expansion Valve
2015HyundaiSanta FeRearBlock Expansion Valve
2015HyundaiSanta Fe SportRearFrom 03/22/2013 to 07/17/2014; Block Expansion Valve
2015HyundaiSanta Fe XLRearBlock Expansion Valve
2015KiaCadenzaN/ABlock Expansion Valve
2015KiaOptimaSX2.4LL4GASFrontBlock Expansion Valve
2015KiaOptimaLimited2.0LL4GASFrontBlock Expansion Valve
2015KiaOptimaEX2.4LL4GASFrontBlock Expansion Valve
2015KiaOptimaSX Turbo2.0LL4GASFrontBlock Expansion Valve
2015KiaOptimaLX2.4LL4GASFrontBlock Expansion Valve
2015KiaOptimaSXL Turbo2.0LL4GASFrontBlock Expansion Valve
2015KiaOptimaEX Luxury2.4LL4GASFrontBlock Expansion Valve
2014HyundaiAzeraN/ABlock Expansion Valve
2014HyundaiSanta FeRearBlock Expansion Valve
2014HyundaiSanta Fe SportRearFrom 03/22/2013 to 07/17/2014; Block Expansion Valve
2014HyundaiSanta Fe XLRearBlock Expansion Valve
2014HyundaiSonataSE2.4LL4GASN/ABlock Expansion Valve
2014HyundaiSonataGLS2.4LL4GASN/ABlock Expansion Valve
2014HyundaiSonataLimited2.0LL4GASN/ABlock Expansion Valve
2014HyundaiSonataLimited2.4LL4GASN/ABlock Expansion Valve
2014HyundaiSonataSE2.0LL4GASN/ABlock Expansion Valve
2014KiaCadenzaN/ABlock Expansion Valve
2014KiaOptimaSX2.4LL4GASFrontBlock Expansion Valve
2014KiaOptimaLX2.4LL4GASFrontBlock Expansion Valve
2014KiaOptimaEX2.4LL4GASFrontBlock Expansion Valve
2014KiaOptimaEX Luxury2.4LL4GASFrontBlock Expansion Valve
2013HyundaiAzeraN/ABlock Expansion Valve
2013HyundaiSanta FeRearBlock Expansion Valve
2013HyundaiSanta Fe SportRearFrom 03/22/2013; Block Expansion Valve
2013HyundaiSanta Fe XLRearBlock Expansion Valve
2013HyundaiSonataLimited2.4LL4GASN/ABlock Expansion Valve
2013HyundaiSonataGLS2.4LL4GASN/ABlock Expansion Valve
2013HyundaiSonataLimited2.0LL4GASN/ABlock Expansion Valve
2013HyundaiSonataSE2.4LL4GASN/ABlock Expansion Valve
2013HyundaiSonataGL2.4LL4GASN/ABlock Expansion Valve
2013HyundaiSonataSE2.0LL4GASN/ABlock Expansion Valve
2013KiaOptimaLX2.4LL4GASFrontBlock Expansion Valve
2013KiaOptimaEX2.4LL4GASFrontBlock Expansion Valve
2013KiaOptimaEX Luxury2.4LL4GASFrontBlock Expansion Valve
2012HyundaiAzeraN/ABlock Expansion Valve
2012HyundaiSonataLimited2.0LL4GASN/ABlock Expansion Valve
2012HyundaiSonataSE2.4LL4GASN/ABlock Expansion Valve
2012HyundaiSonataGL2.4LL4GASN/ABlock Expansion Valve
2012HyundaiSonataLimited2.4LL4GASN/ABlock Expansion Valve
2012HyundaiSonataSE2.0LL4GASN/ABlock Expansion Valve
2012HyundaiSonataGLS2.4LL4GASN/ABlock Expansion Valve
2012HyundaiSonata2.0T Limited2.0LL4GASN/ABlock Expansion Valve
2012HyundaiSonata2.0T2.0LL4GASN/ABlock Expansion Valve
2012KiaOptimaLX2.4LL4GASFrontBlock Expansion Valve
2012KiaOptimaEX2.4LL4GASFrontBlock Expansion Valve
2011HyundaiSonataLimited2.4LL4GASN/ABlock Expansion Valve
2011HyundaiSonataSE2.0LL4GASN/ABlock Expansion Valve
2011HyundaiSonataLimited2.0LL4GASN/ABlock Expansion Valve
2011HyundaiSonataSE2.4LL4GASN/ABlock Expansion Valve
2011HyundaiSonataGL2.4LL4GASN/ABlock Expansion Valve
2011HyundaiSonataGLS2.4LL4GASN/ABlock Expansion Valve
2011HyundaiSonata2.0T2.0LL4GASN/ABlock Expansion Valve
2011HyundaiSonata2.0T Limited2.0LL4GASN/ABlock Expansion Valve
2011KiaOptimaLX2.4LL4GASFrontBlock Expansion Valve
2011KiaOptimaEX2.4LL4GASFrontBlock Expansion 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:

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