HomeHVAC > A/C Flow RestrictorsUniversal Air EX10078C A/C Expansion Valve
Part #: EX10078C

Universal Air EX10078C A/C Expansion Valve

Thermal Expansion Valve
42 vehicles fit this part
Select your vehicle to confirm fitment
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Thermal Expansion Valve
Fitment: Mazda, INFINITI, Nissan, Kia, and Subaru, Miata, Protege, I30, Maxima, 240SX, J30, Sportage, Impreza, Legacy, Justy, SVX, and XT
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Reliable A/C Expansion Valve for Select Infiniti, Kia, Mazda, Nissan, and Subaru Models

The Universal Air Thermal Expansion Valve EX10078C is designed to regulate refrigerant flow in automotive air conditioning systems. This A/C expansion valve is compatible with various models including the Infiniti I30 and J30, Kia Sportage, Mazda Miata and Protege, Nissan 240SX and Maxima, as well as Subaru Impreza and Legacy.

  • Compatible with Infiniti, Kia, Mazda, Nissan, and Subaru vehicles
  • Part number EX10078C ensures precise fitment
  • Controls refrigerant flow for efficient A/C system operation
  • Part of the Universal Air Thermal Expansion Valve product line
  • Designed for use in multiple vehicle models including 240SX, I30, Impreza, J30, Legacy, Maxima, Miata, Protege, and Sportage

About the Universal Air Thermal Expansion Valve Product Line

The Thermal Expansion Valve line by Universal Air focuses on delivering components that regulate refrigerant flow within automotive air conditioning systems. This product line is engineered to maintain optimal pressure and temperature balance, ensuring consistent cooling performance. The EX10078C valve is a part of this line, providing reliable operation for a range of vehicle makes and models.

Product Description and Function

The EX10078C A/C expansion valve is a critical component in the HVAC system, responsible for controlling the amount of refrigerant entering the evaporator. By adjusting refrigerant flow based on temperature and pressure, it helps maintain efficient cooling and prevents system freeze-up or overheating. This valve is specifically designed to fit select Infiniti, Kia, Mazda, Nissan, and Subaru vehicles, ensuring proper integration with factory HVAC systems.

Common Issues Addressed by the EX10078C Expansion Valve

  • Inconsistent or insufficient air conditioning cooling
  • Refrigerant flow irregularities causing system inefficiency
  • Evaporator freeze-up due to improper refrigerant metering
  • Overheating of the A/C system components
  • Pressure imbalances within the HVAC system

Installation Notes and Tips

  • Ensure compatibility with vehicle make and model 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 Thermal Expansion Valve EX10078C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable function in compatible vehicles. For warranty information, refer to Universal Air’s official documentation or contact the manufacturer directly.

This part fits 42 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2000MazdaMiataN/AThermal Expansion Valve
2000MazdaProtegeN/AThermal Expansion Valve
1999INFINITII30N/AThermal Expansion Valve
1999MazdaMiataN/AThermal Expansion Valve
1999MazdaProtegeN/AThermal Expansion Valve
1999NissanMaximaN/AThermal Expansion Valve
1998INFINITII30N/AThermal Expansion Valve
1998Nissan240SXBaseN/AThermal Expansion Valve
1998Nissan240SXSEN/AThermal Expansion Valve
1998Nissan240SXLEN/AThermal Expansion Valve
1998NissanMaximaN/AThermal Expansion Valve
1997INFINITII30N/AThermal Expansion Valve
1997INFINITIJ30N/AThermal Expansion Valve
1997KiaSportageN/AThermal Expansion Valve
1997MazdaMiataN/AThermal Expansion Valve
1997Nissan240SXN/AThermal Expansion Valve
1997NissanMaximaN/AThermal Expansion Valve
1996INFINITII30N/AThermal Expansion Valve
1996INFINITIJ30N/AThermal Expansion Valve
1996KiaSportageN/AThermal Expansion Valve
1996MazdaMiataN/AThermal Expansion Valve
1996NissanMaximaSEN/AThermal Expansion Valve
1996NissanMaximaGLEN/AThermal Expansion Valve
1996NissanMaximaGXEN/AThermal Expansion Valve
1996SubaruImprezaN/AThermal Expansion Valve
1996SubaruLegacyN/AThermal Expansion Valve
1995INFINITIJ30N/AThermal Expansion Valve
1995KiaSportageN/AThermal Expansion Valve
1995MazdaMiataN/AThermal Expansion Valve
1995NissanMaximaGLEN/AThermal Expansion Valve
1995NissanMaximaGXEN/AThermal Expansion Valve
1995NissanMaximaSEN/AThermal Expansion Valve
1995SubaruImprezaN/AThermal Expansion Valve
1995SubaruLegacyN/AThermal Expansion Valve
1994MazdaMiataN/AThermal Expansion Valve
1994SubaruImprezaN/AThermal Expansion Valve
1994SubaruLegacyN/AThermal Expansion Valve
1993SubaruImprezaN/AThermal Expansion Valve
1993SubaruLegacyN/AThermal Expansion Valve
1992SubaruLegacyN/AThermal Expansion Valve
1991SubaruLegacyN/AThermal Expansion Valve
1990SubaruLegacyN/AThermal 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.