HomeHVAC > A/C Flow RestrictorsUniversal Air EX10666C A/C Expansion Valve
Part #: EX10666C

Universal Air EX10666C A/C Expansion Valve

Block Expansion Valve
56 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
Fitment: Hyundai and Kia, Optima and Sonata
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Reliable A/C Expansion Valve for Hyundai and Kia Models

The Universal Air Block Expansion Valve EX10666C is designed to regulate refrigerant flow in the air conditioning systems of select Hyundai and Kia vehicles. This A/C expansion valve ensures proper cooling performance and system efficiency for models like the Hyundai Sonata and Kia Optima.

Key Features of the Universal Air EX10666C

  • Compatible with Hyundai Optima and Sonata models
  • Part number EX10666C for precise identification
  • Part of the Universal Air Block Expansion Valve product line
  • Designed to control refrigerant flow in automotive A/C systems
  • Category: HVAC > A/C Flow Restrictors

About the Block Expansion Valve Product Line

The Block Expansion Valve line from Universal Air focuses on components that regulate refrigerant flow within vehicle air conditioning systems. These valves are engineered to maintain optimal pressure and temperature balance, contributing to consistent cooling performance. The EX10666C is a part of this line, tailored specifically for Hyundai and Kia vehicles requiring precise flow restriction.

Detailed Product Description

The EX10666C A/C expansion valve by Universal Air is a critical component in the HVAC system of Hyundai Optima and Sonata models. It functions by controlling the amount of refrigerant entering the evaporator, which directly impacts the efficiency and effectiveness of the air conditioning system. Proper operation of this valve helps prevent issues such as compressor damage or insufficient cooling. This valve is categorized under A/C flow restrictors, emphasizing its role in managing refrigerant flow within the system.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or weak air conditioning cooling
  • Refrigerant flow irregularities causing system inefficiency
  • Compressor cycling problems due to improper pressure regulation
  • HVAC system overheating or freezing
  • Reduced overall A/C system performance in Hyundai Sonata and Kia Optima

Installation Notes and Tips

When installing the Universal Air EX10666C expansion valve, ensure the vehicle is compatible by verifying the make and model—Hyundai Optima or Sonata, or Kia Optima or Sonata. Proper evacuation and recharging of the A/C system are necessary to avoid contamination and ensure optimal performance. It is recommended to follow manufacturer guidelines for installation torque and refrigerant handling.

Quality Assurance and Warranty

Universal Air provides quality components designed to meet OEM specifications. While specific warranty details for part number EX10666C are not listed here, Universal Air products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer documentation.

This part fits 56 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020KiaOptimaHybrid LX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2020KiaOptimaPlug-In Hybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2020KiaOptimaHybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2020KiaOptimaPlug-In Hybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataHybrid SE2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataHybrid Preferred2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataHybrid Luxury2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataHybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataPlug-In Hybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataPlug-In Hybrid Ultimate2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataHybrid Ultimate2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019HyundaiSonataPlug-In Hybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019KiaOptimaHybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019KiaOptimaHybrid LX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019KiaOptimaHybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019KiaOptimaPlug-In Hybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2019KiaOptimaPlug-In Hybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataLimited2.4LL4GASN/ABlock Expansion Valve
2018HyundaiSonataHybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataHybrid SE2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataHybrid GL2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataPlug-In Hybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataPlug-In Hybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018HyundaiSonataHybrid GLS2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaHybrid LX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaPlug-In Hybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaHybrid Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaHybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaHybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2018KiaOptimaPlug-In Hybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataHybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataHybrid SE2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataPlug-In Hybrid Ultimate2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataHybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataPlug-In Hybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataHybrid Ultimate2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017HyundaiSonataPlug-In Hybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017KiaOptimaHybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017KiaOptimaHybrid LX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017KiaOptimaHybrid Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017KiaOptimaHybrid EX Premium2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2017KiaOptimaPlug-In Hybrid EX2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016HyundaiSonataHybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016HyundaiSonataHybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016HyundaiSonataPlug-In Hybrid Limited2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016HyundaiSonataPlug-In Hybrid2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016HyundaiSonataPlug-In Hybrid Ultimate2.0LL4ELECTRIC/GASN/ABlock Expansion Valve
2016KiaOptimaHybrid2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2016KiaOptimaHybrid EX2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2016KiaOptimaHybrid LX2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2016KiaOptimaHybrid EX Premium2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2015KiaOptimaHybrid LX2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2015KiaOptimaHybrid EX2.4LL4ELECTRIC/GASN/ABlock Expansion Valve
2014KiaOptimaHybrid EX Premium2.4LL4ELECTRIC/GASN/AFrom 12/02/2013; Block Expansion Valve
2014KiaOptimaHybrid EX2.4LL4ELECTRIC/GASN/AFrom 12/02/2013; Block Expansion Valve
2014KiaOptimaHybrid LX2.4LL4ELECTRIC/GASN/AFrom 12/02/2013; Block Expansion Valve

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