HomeHVAC > A/C Flow RestrictorsUniversal Air EX529518C A/C Expansion Valve
Part #: EX529518C

Universal Air EX529518C A/C Expansion Valve

Block Expansion Valve
9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Block Expansion Valve
Fitment: Mazda, MX-5 Miata and MX-5
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Reliable A/C Expansion Valve for Mazda MX-5 Miata

The Universal Air Block Expansion Valve EX529518C is designed specifically for Mazda MX-5 and MX-5 Miata models. This A/C expansion valve helps regulate refrigerant flow, ensuring efficient air conditioning system performance.

  • Compatible with Mazda MX-5 and MX-5 Miata vehicles
  • Part number EX529518C for precise identification
  • Part of the Universal Air Block Expansion Valve product line
  • Controls refrigerant flow to maintain optimal A/C pressure
  • Durable construction for consistent HVAC system operation

About the Universal Air Block Expansion Valve Product Line

The Block Expansion Valve line from Universal Air focuses on providing reliable A/C flow restrictors that regulate refrigerant flow within automotive HVAC systems. This product line is engineered to meet the specific requirements of various vehicle makes and models, including the Mazda MX-5 series. The EX529518C valve is part of this line, offering precise control over refrigerant expansion to support efficient cooling performance.

Product Description and Function

The EX529518C A/C expansion valve is a critical component in the air conditioning system of Mazda MX-5 and MX-5 Miata vehicles. It functions by controlling the amount of refrigerant entering the evaporator, which helps maintain the correct pressure and temperature for effective cooling. Proper operation of this valve ensures the HVAC system runs smoothly and prevents issues such as compressor overload or insufficient cooling.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or weak air conditioning performance
  • Refrigerant flow irregularities causing system inefficiency
  • Overheating or freezing of the evaporator coil
  • Pressure imbalances leading to compressor strain
  • HVAC system cycling or failure to maintain set temperatures

Installation Notes and Tips

  • Ensure compatibility with Mazda MX-5 or MX-5 Miata 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 damaging the valve or surrounding parts
  • Test the A/C system after installation to confirm correct operation

Quality Assurance and Warranty

The Universal Air Block Expansion Valve EX529518C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo quality control processes to ensure reliability in automotive HVAC applications.

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2020MazdaMX-5 MiataN/ABlock Expansion Valve
2019MazdaMX-5N/ABlock Expansion Valve
2019MazdaMX-5 MiataN/ABlock Expansion Valve
2018MazdaMX-5N/ABlock Expansion Valve
2018MazdaMX-5 MiataN/ABlock Expansion Valve
2017MazdaMX-5N/ABlock Expansion Valve
2017MazdaMX-5 MiataN/ABlock Expansion Valve
2016MazdaMX-5N/ABlock Expansion Valve
2016MazdaMX-5 MiataN/ABlock 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.