Homeโ€บ HVAC > A/C Flow Restrictorsโ€บ Universal Air EX5679C A/C Expansion Valve - Rear
Part #: EX5679C

Universal Air EX5679C A/C Expansion Valve - Rear

Thermal Expansion Valve, Rear
173 vehicles fit this part
Select your vehicle to confirm fitment
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Thermal Expansion Valve, Rear
Fitment: GMC and Chevrolet, Savana 2500, Savana 3500, Express 2500, Express 3500, Express Pasajeros, Express Cargo, Express 1500, and Savana 1500
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Reliable A/C Expansion Valve for Chevrolet and GMC Vans

The Universal Air Thermal Expansion Valve EX5679C is designed to regulate refrigerant flow in the air conditioning systems of Chevrolet Express and GMC Savana vans. This A/C expansion valve ensures efficient cooling performance and system stability for your vehicle's HVAC system.

  • Compatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 models
  • Part number EX5679C for precise identification and fitment
  • Controls refrigerant flow to maintain optimal A/C system pressure
  • Manufactured by Universal Air, a trusted brand in HVAC components
  • Part of the Thermal Expansion Valve product line designed for reliable temperature regulation

About the Thermal Expansion Valve Product Line

The Thermal Expansion Valve line from Universal Air focuses on components that regulate refrigerant flow within automotive air conditioning systems. These valves are engineered to maintain consistent pressure and temperature control, which is critical for the proper operation of HVAC systems in vehicles like the Chevrolet Express and GMC Savana series. The EX5679C is a key part of this line, providing dependable performance and compatibility with specific van models.

Product Description and Function

The EX5679C A/C expansion valve is a flow restrictor that modulates the amount of refrigerant entering the evaporator. By adjusting refrigerant flow based on temperature and pressure, it helps maintain the efficiency and longevity of the vehicleโ€™s air conditioning system. This valve is specifically designed for use in Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 vans, ensuring a precise fit and optimal system performance.

Common Issues Addressed by This Expansion Valve

  • Inconsistent cabin cooling or fluctuating air temperatures
  • Excessive pressure buildup in the A/C system
  • Reduced refrigerant flow causing poor evaporator performance
  • System freeze-ups or compressor cycling problems
  • General A/C system inefficiency in Chevrolet Express and GMC Savana vans

Installation Notes and Tips

  • Ensure the vehicle is compatible: Chevrolet Express 1500, 2500, 3500 or GMC Savana 1500, 2500, 3500
  • Follow manufacturer guidelines for refrigerant handling and system evacuation
  • Replace the expansion valve when performing major A/C system repairs or if symptoms of valve failure are present
  • Use proper tools to avoid damage to the valve or surrounding components
  • Check for leaks and system pressure after installation

Quality Assurance and Warranty

Universal Air manufactures the EX5679C expansion valve 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.

This part fits 173 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020GMCSavana 2500RearThermal Expansion Valve
2020GMCSavana 3500RearThermal Expansion Valve
2019ChevroletExpress 2500RearThermal Expansion Valve
2019ChevroletExpress 3500RearThermal Expansion Valve
2019GMCSavana 2500RearThermal Expansion Valve
2019GMCSavana 3500RearThermal Expansion Valve
2018ChevroletExpress 2500RearThermal Expansion Valve
2018ChevroletExpress 3500Base6.0LV8FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500Base6.0LV8GASRearThermal Expansion Valve
2018ChevroletExpress 3500Base6.0LV8CNGRearThermal Expansion Valve
2018ChevroletExpress 3500Base4.3LV6GASRearThermal Expansion Valve
2018ChevroletExpress 3500LS4.3LV6FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500LS2.8LL4DIESELRearThermal Expansion Valve
2018ChevroletExpress 3500LS6.0LV8FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500LS6.0LV8GASRearThermal Expansion Valve
2018ChevroletExpress 3500LS6.0LV8CNGRearThermal Expansion Valve
2018ChevroletExpress 3500LT4.3LV6FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500LT2.8LL4DIESELRearThermal Expansion Valve
2018ChevroletExpress 3500LT6.0LV8FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500LT6.0LV8GASRearThermal Expansion Valve
2018ChevroletExpress 3500Base4.3LV6FLEXRearThermal Expansion Valve
2018ChevroletExpress 3500Base2.8LL4DIESELRearThermal Expansion Valve
2018ChevroletExpress 3500LS4.3LV6GASRearThermal Expansion Valve
2018ChevroletExpress 3500LT6.0LV8CNGRearThermal Expansion Valve
2018ChevroletExpress 3500LT4.3LV6GASRearThermal Expansion Valve
2018GMCSavana 2500RearThermal Expansion Valve
2018GMCSavana 3500RearThermal Expansion Valve
2017ChevroletExpress 2500RearThermal Expansion Valve
2017ChevroletExpress 35002.8LL4DIESELRearThermal Expansion Valve
2017ChevroletExpress 35006.0LV8FLEXRearThermal Expansion Valve
2017ChevroletExpress 35004.8LV8FLEXRearThermal Expansion Valve
2017GMCSavana 2500RearThermal Expansion Valve
2017GMCSavana 3500RearThermal Expansion Valve
2016ChevroletExpress 2500RearThermal Expansion Valve
2016ChevroletExpress 3500RearThermal Expansion Valve
2016GMCSavana 2500RearThermal Expansion Valve
2016GMCSavana 3500RearThermal Expansion Valve
2015ChevroletExpress 2500RearThermal Expansion Valve
2015ChevroletExpress 3500RearThermal Expansion Valve
2015GMCSavana 2500RearThermal Expansion Valve
2015GMCSavana 3500RearThermal Expansion Valve
2014ChevroletExpress 1500RearThermal Expansion Valve
2014ChevroletExpress 2500RearThermal Expansion Valve
2014ChevroletExpress 3500RearThermal Expansion Valve
2014GMCSavana 1500RearThermal Expansion Valve
2014GMCSavana 2500RearThermal Expansion Valve
2014GMCSavana 3500RearThermal Expansion Valve
2013ChevroletExpress 1500RearThermal Expansion Valve
2013ChevroletExpress 2500RearThermal Expansion Valve
2013ChevroletExpress 3500RearThermal Expansion Valve
2013GMCSavana 1500RearThermal Expansion Valve
2013GMCSavana 2500RearThermal Expansion Valve
2013GMCSavana 3500RearThermal Expansion Valve
2012ChevroletExpress 1500RearThermal Expansion Valve
2012ChevroletExpress 2500RearThermal Expansion Valve
2012ChevroletExpress 3500RearThermal Expansion Valve
2012GMCSavana 1500RearThermal Expansion Valve
2012GMCSavana 2500RearThermal Expansion Valve
2012GMCSavana 3500RearThermal Expansion Valve
2011ChevroletExpress 1500RearThermal Expansion Valve
2011ChevroletExpress 2500RearThermal Expansion Valve
2011ChevroletExpress 3500RearThermal Expansion Valve
2011GMCSavana 1500RearThermal Expansion Valve
2011GMCSavana 2500RearThermal Expansion Valve
2011GMCSavana 3500RearThermal Expansion Valve
2010ChevroletExpress 1500RearThermal Expansion Valve
2010ChevroletExpress 2500RearThermal Expansion Valve
2010ChevroletExpress 3500RearThermal Expansion Valve
2010GMCSavana 1500RearThermal Expansion Valve
2010GMCSavana 2500RearThermal Expansion Valve
2010GMCSavana 3500RearThermal Expansion Valve
2009ChevroletExpress 1500RearThermal Expansion Valve
2009ChevroletExpress 2500RearThermal Expansion Valve
2009ChevroletExpress 3500RearThermal Expansion Valve
2009GMCSavana 1500RearThermal Expansion Valve
2009GMCSavana 2500RearThermal Expansion Valve
2009GMCSavana 3500RearThermal Expansion Valve
2008ChevroletExpress 1500RearThermal Expansion Valve
2008ChevroletExpress 2500RearThermal Expansion Valve
2008ChevroletExpress 3500RearThermal Expansion Valve
2008GMCSavana 1500RearThermal Expansion Valve
2008GMCSavana 2500RearThermal Expansion Valve
2008GMCSavana 3500RearThermal Expansion Valve
2007ChevroletExpress 1500RearThermal Expansion Valve
2007ChevroletExpress 2500Base6.0LV8GASRearThermal Expansion Valve
2007ChevroletExpress 2500Base4.8LV8GASRearThermal Expansion Valve
2007ChevroletExpress 2500Base6.6LV8DIESELRearThermal Expansion Valve
2007ChevroletExpress 2500LS6.0LV8GASRearThermal Expansion Valve
2007ChevroletExpress 2500LT6.0LV8GASRearThermal Expansion Valve
2007ChevroletExpress 3500RearThermal Expansion Valve
2007GMCSavana 1500RearThermal Expansion Valve
2007GMCSavana 2500RearThermal Expansion Valve
2007GMCSavana 3500RearThermal Expansion Valve
2006ChevroletExpress 1500RearThermal Expansion Valve
2006ChevroletExpress 2500RearThermal Expansion Valve
2006ChevroletExpress 3500RearThermal Expansion Valve
2006GMCSavana 1500RearThermal Expansion Valve
2006GMCSavana 25004.8LV8GASRearThermal Expansion Valve
2006GMCSavana 25006.6LV8DIESELRearThermal Expansion Valve
2006GMCSavana 25006.0LV8GASRearThermal Expansion Valve
2006GMCSavana 3500RearThermal Expansion Valve
2005ChevroletExpress 1500RearThermal Expansion Valve
2005ChevroletExpress 2500RearThermal Expansion Valve
2005ChevroletExpress 3500RearThermal Expansion Valve
2005GMCSavana 1500RearThermal Expansion Valve
2005GMCSavana 2500RearThermal Expansion Valve
2005GMCSavana 3500RearThermal Expansion Valve
2004ChevroletExpress 1500RearThermal Expansion Valve
2004ChevroletExpress 2500RearThermal Expansion Valve
2004ChevroletExpress 3500RearThermal Expansion Valve
2004GMCSavana 1500RearThermal Expansion Valve
2004GMCSavana 2500RearThermal Expansion Valve
2004GMCSavana 3500RearThermal Expansion Valve
2003ChevroletExpress 1500RearThermal Expansion Valve
2003ChevroletExpress 2500RearThermal Expansion Valve
2003ChevroletExpress 3500RearThermal Expansion Valve
2003GMCSavana 1500RearThermal Expansion Valve
2003GMCSavana 2500RearThermal Expansion Valve
2003GMCSavana 3500RearThermal Expansion Valve
2002ChevroletExpress 1500RearThermal Expansion Valve
2002ChevroletExpress 2500RearThermal Expansion Valve
2002ChevroletExpress 3500RearThermal Expansion Valve
2002GMCSavana 1500RearThermal Expansion Valve
2002GMCSavana 2500RearThermal Expansion Valve
2002GMCSavana 35005.7LV8BI-FUELRearThermal Expansion Valve
2002GMCSavana 35005.7LV8GASRearThermal Expansion Valve
2002GMCSavana 35008.1LV8GASRearThermal Expansion Valve
2002GMCSavana 35006.5LV8DIESELRearThermal Expansion Valve
2001ChevroletExpress 1500RearThermal Expansion Valve
2001ChevroletExpress 2500RearThermal Expansion Valve
2001ChevroletExpress 3500RearThermal Expansion Valve
2001GMCSavana 1500RearThermal Expansion Valve
2001GMCSavana 2500RearThermal Expansion Valve
2001GMCSavana 35005.7LV8GASRearThermal Expansion Valve
2001GMCSavana 35008.1LV8GASRearThermal Expansion Valve
2001GMCSavana 35005.7LV8BI-FUELRearThermal Expansion Valve
2001GMCSavana 35006.5LV8DIESELRearThermal Expansion Valve
2000ChevroletExpress 1500RearThermal Expansion Valve
2000ChevroletExpress 2500RearThermal Expansion Valve
2000ChevroletExpress 3500RearThermal Expansion Valve
2000GMCSavana 1500RearThermal Expansion Valve
2000GMCSavana 2500RearThermal Expansion Valve
2000GMCSavana 35005.7LV8GASRearThermal Expansion Valve
2000GMCSavana 35006.5LV8DIESELRearThermal Expansion Valve
2000GMCSavana 35007.4LV8GASRearThermal Expansion Valve
1999ChevroletExpress 1500RearThermal Expansion Valve
1999ChevroletExpress 2500RearThermal Expansion Valve
1999ChevroletExpress 3500RearThermal Expansion Valve
1999GMCSavana 1500RearThermal Expansion Valve
1999GMCSavana 2500RearThermal Expansion Valve
1999GMCSavana 3500RearThermal Expansion Valve
1998ChevroletExpress 1500RearThermal Expansion Valve
1998ChevroletExpress 2500RearThermal Expansion Valve
1998ChevroletExpress 3500RearThermal Expansion Valve
1998GMCSavana 1500RearThermal Expansion Valve
1998GMCSavana 2500RearThermal Expansion Valve
1998GMCSavana 35005.7LV8GASRearThermal Expansion Valve
1998GMCSavana 35006.5LV8DIESELRearThermal Expansion Valve
1998GMCSavana 35007.4LV8GASRearThermal Expansion Valve
1997ChevroletExpress 1500RearThermal Expansion Valve
1997ChevroletExpress 2500RearThermal Expansion Valve
1997ChevroletExpress 3500RearThermal Expansion Valve
1997GMCSavana 1500RearThermal Expansion Valve
1997GMCSavana 2500RearThermal Expansion Valve
1997GMCSavana 35005.7LV8GASRearThermal Expansion Valve
1997GMCSavana 35006.5LV8DIESELRearThermal Expansion Valve
1997GMCSavana 35007.4LV8GASRearThermal Expansion Valve
1996ChevroletExpress 1500RearThermal Expansion Valve
1996ChevroletExpress 2500RearThermal Expansion Valve
1996ChevroletExpress 3500RearThermal Expansion Valve
1996GMCSavana 1500RearThermal Expansion Valve
1996GMCSavana 2500RearThermal Expansion Valve
1996GMCSavana 3500RearThermal 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.