HomeHVAC > A/C Flow RestrictorsUniversal Air EX329433C A/C Expansion Valve
Part #: EX329433C

Universal Air EX329433C A/C Expansion Valve

Block Expansion Valve
13 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: Jeep, Comanche and Cherokee
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Overview of Universal Air Block Expansion Valve EX329433C

The Universal Air Block Expansion Valve EX329433C is designed specifically for Jeep Cherokee and Comanche models. This A/C expansion valve plays a critical role in regulating refrigerant flow within the vehicle's air conditioning system, ensuring optimal cooling performance.

  • Compatible with Jeep Cherokee and Jeep Comanche models
  • Part number EX329433C for precise identification
  • Part of the Universal Air Block Expansion Valve product line
  • Category: HVAC > A/C Flow Restrictors
  • Ensures accurate refrigerant metering for efficient A/C operation

About the Block Expansion Valve Product Line

The Block Expansion Valve line from Universal Air focuses on reliable and consistent A/C expansion valves designed to meet OEM specifications. This product line emphasizes precise flow restriction to maintain proper refrigerant pressure and temperature, which is essential for the air conditioning system's overall efficiency and longevity. The EX329433C is a part of this line, offering a dependable solution for Jeep Cherokee and Comanche vehicles requiring replacement or upgrade of their A/C expansion valve.

Detailed Product Description

The EX329433C A/C expansion valve controls the flow of refrigerant entering the evaporator in Jeep Cherokee and Comanche models. By regulating refrigerant flow, it helps maintain the correct pressure and temperature balance within the HVAC system. This ensures the evaporator receives the right amount of refrigerant to absorb heat effectively, contributing to consistent cabin cooling. The valve is engineered to fit directly into the factory HVAC system without modification, providing a straightforward replacement option for technicians and vehicle owners.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or insufficient cabin cooling in Jeep Cherokee and Comanche A/C systems
  • Refrigerant flow irregularities causing compressor strain or failure
  • Frost buildup on the evaporator due to improper refrigerant metering
  • Reduced HVAC system efficiency and increased energy consumption
  • Leaks or valve malfunctions leading to A/C system performance loss

Installation Notes and Tips

  • Ensure compatibility by verifying vehicle make and model: Jeep Cherokee or Comanche
  • Follow manufacturer guidelines for refrigerant handling and system evacuation
  • Inspect surrounding HVAC components for wear or damage during installation
  • Use proper tools to avoid damage to the valve or HVAC system
  • Test the A/C system after installation to confirm proper refrigerant flow and cooling performance

Quality Assurance and Warranty

The Universal Air Block Expansion Valve EX329433C 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 operation within the specified vehicle applications. For warranty information, consult the product packaging or contact the manufacturer directly.

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1990JeepComancheN/A1st design A/C expansion valve; Block Expansion Valve
1989JeepCherokeeN/Awith R-12 A/C System; with R-134a A/C System; 1st Design; Block Expansion Valve
1989JeepComancheN/A1st design A/C expansion valve; Block Expansion Valve
1988JeepCherokeeN/ABlock Expansion Valve
1988JeepComancheN/A1st design A/C expansion valve; Block Expansion Valve
1987JeepCherokeeN/ABlock Expansion Valve
1987JeepComancheN/A1st design A/C expansion valve; Block Expansion Valve
1986JeepCherokeeN/ABlock Expansion Valve
1986JeepComancheN/A1st design A/C expansion valve; Block Expansion Valve
1985JeepCherokee2.1LL4DIESELN/ABlock Expansion Valve
1985JeepCherokee2.8LV6GASN/ABlock Expansion Valve
1985JeepCherokee2.5LL4GASN/ABlock Expansion Valve
1984JeepCherokeeN/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.