Universal Air EX9778C A/C Expansion Valve

Universal Air EX9778C Block Expansion Valve

Universal Air EX9778C is a block expansion valve for automotive air conditioning systems. It is listed for select Genesis, Hyundai Genesis, Hyundai Equus, Genesis G80, and Genesis G90 applications, making it a direct-fit HVAC flow restrictor for specific factory-style A/C layouts.

Key Features

• Part number: EX9778C
• Universal Air Block Expansion Valve line
• Category: HVAC A/C flow restrictor
• Fits select Genesis and Hyundai luxury sedan applications
• Supports refrigerant metering at the evaporator inlet

Fitment Details

• Fits 2019 Genesis G90, N/A; Block Expansion Valve
• Fits 2017 Genesis G90, N/A; Block Expansion Valve
• Fits 2017-2018 Genesis G80, N/A; Block Expansion Valve
• Fits 2018 Genesis G90, N/A; Block Expansion Valve
• Fits 2011-2016 Hyundai Equus, N/A; Block Expansion Valve
• Fits 2009-2016 Hyundai Genesis, N/A; Block Expansion Valve

What It Is Used For

• Restoring proper A/C refrigerant control
• Addressing weak or inconsistent cabin cooling
• Replacing a worn or restricted expansion valve
• Correcting evaporator feed issues in Genesis and Hyundai HVAC systems

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before ordering. This part number, EX9778C, is listed for block expansion valve applications only, so match the original valve style and connection layout to the vehicle service information before installation.

Quality Assurance

Universal Air identifies this component as part of its Block Expansion Valve product line for automotive A/C service. Use the confirmed fitment list above to match EX9778C to the correct Genesis or Hyundai application.