HomeHVAC > A/C Flow RestrictorsUniversal Air EX9720C A/C Expansion Valve - Rear
Part #: EX9720C

Universal Air EX9720C A/C Expansion Valve - Rear

Block Expansion Valve, Rear
11 vehicles fit this part
Select your vehicle to confirm fitment
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Block Expansion Valve, Rear
Fitment: Chevrolet, Pontiac, and Buick, Uplander, Montana, and Terraza
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Overview of Universal Air Block Expansion Valve EX9720C

The Universal Air Block Expansion Valve EX9720C is designed to regulate refrigerant flow in automotive air conditioning systems. This A/C expansion valve is compatible with select Buick, Chevrolet, and Pontiac models, ensuring precise temperature control and system efficiency.

  • Compatible with Buick Montana, Chevrolet Uplander, and Pontiac Terraza
  • Part number EX9720C for accurate identification
  • Controls refrigerant flow in HVAC systems
  • Part of the Universal Air Block Expansion Valve product line
  • Category: HVAC > A/C Flow Restrictors

About the Block Expansion Valve Product Line

The Block Expansion Valve line by Universal Air focuses on reliable A/C expansion valves designed to maintain optimal refrigerant flow and pressure within automotive HVAC systems. This product line supports consistent cooling performance and system stability, making it suitable for vehicles requiring precise temperature regulation, such as the Buick Montana, Chevrolet Uplander, and Pontiac Terraza.

Product Description and Compatibility

The EX9720C A/C expansion valve is engineered to fit specific General Motors vehicles, including the Buick Montana, Chevrolet Uplander, and Pontiac Terraza. It functions as a flow restrictor within the air conditioning system, modulating refrigerant to ensure efficient cooling. This valve helps maintain the correct pressure differential between the condenser and evaporator, which is critical for system performance and longevity.

Common Issues Addressed by the EX9720C Expansion Valve

  • Inconsistent cabin cooling or fluctuating temperatures
  • Reduced A/C system efficiency due to improper refrigerant flow
  • Frost buildup on evaporator coils caused by incorrect valve operation
  • Compressor cycling issues related to pressure imbalances
  • System overheating or insufficient cooling performance

Installation Notes and Tips

  • Ensure compatibility with Buick Montana, Chevrolet Uplander, or Pontiac Terraza 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 Block Expansion Valve EX9720C 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 11 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2009ChevroletUplanderN/ABlock Expansion Valve
2009PontiacMontanaRearBlock Expansion Valve
2008PontiacMontanaRearBlock Expansion Valve
2007BuickTerrazaRearBlock Expansion Valve
2007ChevroletUplanderN/ABlock Expansion Valve
2007PontiacMontanaRearBlock Expansion Valve
2006BuickTerrazaRearBlock Expansion Valve
2006PontiacMontanaRearBlock Expansion Valve
2005BuickTerrazaRearBlock Expansion Valve
2005ChevroletUplanderN/ABlock Expansion Valve
2005PontiacMontanaSV63.5LV6RearBlock 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.