Universal Air
Block Expansion Valve

Universal Air EX9720C A/C Expansion Valve - Rear

Brand Universal Air EX9720C
Position Rear
Product line Block Expansion Valve
Fits Chevrolet, Pontiac, and Buick · 11 vehicles

Block expansion valve. Regulates refrigerant flow in the A/C system.

A/C expansion valve. Helps meter refrigerant for efficient cooling performance.

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Universal Air EX9720C Block Expansion Valve

The Universal Air EX9720C is a block expansion valve for automotive A/C systems that use this style of flow control. It is listed for select Chevrolet Uplander, Pontiac Montana, and Buick Terraza applications, including rear HVAC configurations where specified.

Key Features

  • Block expansion valve for A/C refrigerant metering
  • Fits 2005-2009 Pontiac Montana, rear
  • Fits 2005-2007 Buick Terraza, rear
  • Fits 2005, 2007, and 2009 Chevrolet Uplander, N/A
  • Part number EX9720C for application matching and catalog lookup

Application Details

This Universal Air block expansion valve is used in HVAC systems that regulate refrigerant flow into the evaporator. It is a direct-fit service part for the listed vehicles and positions, including rear A/C applications on Pontiac Montana and Buick Terraza models. For Chevrolet Uplander coverage, verify the listed model years and the N/A position shown in the fitment data before ordering. This part number, EX9720C, is also useful when searching for replacement A/C expansion valve listings for these GM minivan platforms.

What It Helps Address

  • Inconsistent refrigerant metering at the evaporator
  • Weak or uneven cabin cooling
  • A/C performance loss caused by a worn expansion valve
  • HVAC system service needs on rear air conditioning circuits
  • Fitment matching for Chevrolet Uplander, Pontiac Montana, and Buick Terraza A/C repair

Installation Notes

Confirm the vehicle year, model, and HVAC position against the fitment list before installation. Inspect the surrounding A/C components, seals, and refrigerant lines during service, and evacuate and recharge the system according to proper HVAC procedures after replacement. The EX9720C should be installed only on applications that match the listed block expansion valve configuration.

Quality Assurance

Universal Air supplies HVAC service parts for automotive air conditioning repair. This EX9720C block expansion valve is cataloged for the specified GM applications and should be selected by exact fitment rather than by appearance alone.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2009ChevroletUplander———N/ABlock Expansion Valve
2009PontiacMontana———RearBlock Expansion Valve
2008PontiacMontana———RearBlock Expansion Valve
2007BuickTerraza———RearBlock Expansion Valve
2007ChevroletUplander———N/ABlock Expansion Valve
2007PontiacMontana———RearBlock Expansion Valve
2006BuickTerraza———RearBlock Expansion Valve
2006PontiacMontana———RearBlock Expansion Valve
2005BuickTerraza———RearBlock Expansion Valve
2005ChevroletUplander———N/ABlock Expansion Valve
2005PontiacMontanaSV63.5LV6RearBlock Expansion Valve