Universal Air
Thermal Expansion Valve

Universal Air EX5734C A/C Expansion Valve - Rear

Brand Universal Air EX5734C
Position Rear
Product line Thermal Expansion Valve
Fits Cadillac, Chevrolet, and GMC · 44 vehicles

Thermal expansion valve. Regulates refrigerant flow for efficient A/C performance.

A/C flow restrictor for precise refrigerant control.

$23.68Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $23.68
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear A/C Expansion Valve for GM SUVs

Universal Air EX5734C is a thermal expansion valve for rear HVAC systems in select Cadillac, Chevrolet, and GMC applications. It regulates refrigerant flow at the rear evaporator to help maintain proper A/C performance in larger SUV platforms.

Key Features

  • Thermal expansion valve for rear air conditioning circuits
  • Direct-fit application coverage for select GM full-size SUVs
  • Supports refrigerant metering at the rear evaporator
  • Fits 2003-2006 Cadillac Escalade ESV, rear
  • Fits 2000-2006 Chevrolet Suburban 1500, rear
  • Fits 2000-2006 Chevrolet Suburban 2500, rear
  • Fits 2003-2006 GMC Yukon XL 1500, rear
  • Fits 2006 GMC Yukon XL 2500, rear
  • Fits 2000-2005 GMC Yukon XL 2500, rear
  • Fits 2000-2002 GMC Yukon XL 1500, rear

Detailed Description

Universal Air Thermal Expansion Valve EX5734C is built for rear A/C service on select Cadillac Escalade ESV, Chevrolet Suburban, and GMC Yukon XL models. As an A/C expansion valve, it meters refrigerant into the rear evaporator so the HVAC system can maintain stable cooling performance across the rear cabin. This part number, EX5734C, is a focused replacement for rear HVAC repair on GM SUVs with rear air conditioning.

This part cross-references no listed part numbers in the provided data.

What It Helps Address

  • Rear A/C outlet air that is not cooling properly
  • Erratic refrigerant flow at the rear evaporator
  • HVAC performance issues tied to a restricted or worn expansion valve
  • Rear cabin temperature imbalance in full-size SUVs
  • Service replacement needs for GM rear A/C systems

Installation Notes and Tips

Install EX5734C at the rear HVAC location specified for the vehicle application. Verify the system is properly evacuated and recharged after service, and inspect related A/C components for contamination or restriction before returning the vehicle to service. Confirm the vehicle uses rear A/C before ordering.

Quality Assurance

Universal Air identifies this component as part of its Thermal Expansion Valve line, a product line focused on refrigerant control in automotive HVAC systems.

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2006CadillacEscalade ESV————RearThermal Expansion Valve
2006ChevroletSuburban 1500————RearThermal Expansion Valve
2006ChevroletSuburban 2500————RearThermal Expansion Valve
2006GMCYukon XL 1500SLT5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2006GMCYukon XL 1500SLE5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2006GMCYukon XL 1500SL5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2006GMCYukon XL 2500————RearCompatible with rear A/C.; Thermal Expansion Valve
2005CadillacEscalade ESV————RearThermal Expansion Valve
2005ChevroletSuburban 1500————RearThermal Expansion Valve
2005ChevroletSuburban 2500————RearThermal Expansion Valve
2005GMCYukon XL 1500SLT5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2005GMCYukon XL 1500SLE5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2005GMCYukon XL 1500SLE5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2005GMCYukon XL 1500SLT5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2005GMCYukon XL 2500————RearThermal Expansion Valve
2004CadillacEscalade ESV————RearThermal Expansion Valve
2004ChevroletSuburban 1500————RearThermal Expansion Valve
2004ChevroletSuburban 2500————RearThermal Expansion Valve
2004GMCYukon XL 1500SLT5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2004GMCYukon XL 1500SLE5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2004GMCYukon XL 1500SLT5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2004GMCYukon XL 1500SLE5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2004GMCYukon XL 2500————RearThermal Expansion Valve
2003CadillacEscalade ESV————RearThermal Expansion Valve
2003ChevroletSuburban 1500————RearThermal Expansion Valve
2003ChevroletSuburban 2500————RearThermal Expansion Valve
2003GMCYukon XL 1500SLT5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2003GMCYukon XL 1500SLT5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2003GMCYukon XL 1500SLE5.3LV8FLEXRearCompatible with rear A/C.; Thermal Expansion Valve
2003GMCYukon XL 1500SLE5.3LV8GASRearCompatible with rear A/C.; Thermal Expansion Valve
2003GMCYukon XL 2500————RearThermal Expansion Valve
2002ChevroletSuburban 1500————RearThermal Expansion Valve
2002ChevroletSuburban 2500————RearThermal Expansion Valve
2002GMCYukon XL 1500————RearThermal Expansion Valve
2002GMCYukon XL 2500————RearThermal Expansion Valve
2001ChevroletSuburban 1500————RearThermal Expansion Valve
2001ChevroletSuburban 2500————RearThermal Expansion Valve
2001GMCYukon XL 1500SLE5.3LV8—RearThermal Expansion Valve
2001GMCYukon XL 1500SLT5.3LV8—RearThermal Expansion Valve
2001GMCYukon XL 2500————RearThermal Expansion Valve
2000ChevroletSuburban 1500————RearThermal Expansion Valve
2000ChevroletSuburban 2500————RearThermal Expansion Valve
2000GMCYukon XL 1500————RearThermal Expansion Valve
2000GMCYukon XL 2500————RearThermal Expansion Valve