Universal Air EX5679C A/C Expansion Valve - Rear

Brand	Universal Air EX5679C
Position	Rear
Product line	Thermal Expansion Valve
Fits	GMC and Chevrolet · 173 vehicles

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

A/C expansion valve. Controls refrigerant metering in the HVAC system.

$27.66Free shipping

In stock · usually ships same day before 1pm CST

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Free returns within 60 days if it doesn't fit when fitment is verified.

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Rear A/C Expansion Valve for GM Vans

Universal Air EX5679C is a thermal expansion valve for the rear HVAC circuit on select Chevrolet Express and GMC Savana vans. It regulates refrigerant flow into the rear evaporator to support stable A/C performance in the back of the vehicle.

Key Features

Thermal expansion valve for rear air conditioning systems
Direct fit for select Chevrolet Express and GMC Savana applications
Supports refrigerant metering at the rear evaporator
Built for HVAC flow control in van rear A/C systems
Part number EX5679C for ordering and fitment verification

Fitment Details

Fits 1996-2020 GMC Savana 2500, rear.
Fits 1996-2020 GMC Savana 3500, rear.
Fits 1996-2019 Chevrolet Express 2500, rear.
Fits 1996-2019 Chevrolet Express 3500, rear.
Fits 1996-2014 Chevrolet Express 1500, rear.
Fits 1996-2014 GMC Savana 1500, rear.

What It Helps Address

Weak or inconsistent rear A/C cooling
Improper refrigerant metering at the rear evaporator
Rear HVAC performance issues in Chevrolet Express and GMC Savana vans
Temperature fluctuations in the rear passenger area
Service replacement for a worn thermal expansion valve

Installation Notes

Verify rear HVAC system configuration before installation. Replace the valve only after confirming the rest of the A/C system is clean and properly evacuated, and inspect related components for contamination or restriction. Confirm part number EX5679C against the vehicle application before service.

Quality Assurance

Universal Air EX5679C is a thermal expansion valve from the Universal Air product line, identified for rear HVAC use on select Chevrolet Express and GMC Savana vans. This part cross-references no additional part numbers in the provided data.

This part fits 173 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Liters	Cylinders	Fuel Type	Position	Notes
2020	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2020	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2019	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2019	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2019	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2019	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	6.0L	V8	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	6.0L	V8	CNG	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	4.3L	V6	GAS	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	4.3L	V6	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	2.8L	L4	DIESEL	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	6.0L	V8	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	6.0L	V8	CNG	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	4.3L	V6	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	2.8L	L4	DIESEL	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	6.0L	V8	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	4.3L	V6	FLEX	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	Base	2.8L	L4	DIESEL	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LS	4.3L	V6	GAS	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	6.0L	V8	CNG	Rear	Thermal Expansion Valve
2018	Chevrolet	Express 3500	LT	4.3L	V6	GAS	Rear	Thermal Expansion Valve
2018	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2018	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2017	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2017	Chevrolet	Express 3500	—	2.8L	L4	DIESEL	Rear	Thermal Expansion Valve
2017	Chevrolet	Express 3500	—	6.0L	V8	FLEX	Rear	Thermal Expansion Valve
2017	Chevrolet	Express 3500	—	4.8L	V8	FLEX	Rear	Thermal Expansion Valve
2017	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2017	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2016	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2016	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2016	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2016	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2015	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2015	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2015	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2015	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2014	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2014	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2014	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2014	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2014	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2014	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2013	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2013	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2013	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2013	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2013	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2013	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2012	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2012	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2012	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2012	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2012	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2012	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2011	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2011	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2011	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2011	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2011	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2011	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2010	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2010	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2010	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2010	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2010	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2010	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2009	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2009	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2009	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2009	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2009	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2009	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2008	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2008	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2008	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2008	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2008	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2008	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 2500	Base	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 2500	Base	4.8L	V8	GAS	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 2500	Base	6.6L	V8	DIESEL	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 2500	LS	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 2500	LT	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2007	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2007	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2007	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2007	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2006	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2006	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2006	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2006	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2006	GMC	Savana 2500	—	4.8L	V8	GAS	Rear	Thermal Expansion Valve
2006	GMC	Savana 2500	—	6.6L	V8	DIESEL	Rear	Thermal Expansion Valve
2006	GMC	Savana 2500	—	6.0L	V8	GAS	Rear	Thermal Expansion Valve
2006	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2005	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2005	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2005	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2005	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2005	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2005	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2004	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2004	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2004	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2004	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2004	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2004	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2003	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2003	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2003	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2003	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2003	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2003	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
2002	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2002	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2002	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2002	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2002	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2002	GMC	Savana 3500	—	5.7L	V8	BI-FUEL	Rear	Thermal Expansion Valve
2002	GMC	Savana 3500	—	5.7L	V8	GAS	Rear	Thermal Expansion Valve
2002	GMC	Savana 3500	—	8.1L	V8	GAS	Rear	Thermal Expansion Valve
2002	GMC	Savana 3500	—	6.5L	V8	DIESEL	Rear	Thermal Expansion Valve
2001	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2001	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2001	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2001	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2001	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2001	GMC	Savana 3500	—	5.7L	V8	GAS	Rear	Thermal Expansion Valve
2001	GMC	Savana 3500	—	8.1L	V8	GAS	Rear	Thermal Expansion Valve
2001	GMC	Savana 3500	—	5.7L	V8	BI-FUEL	Rear	Thermal Expansion Valve
2001	GMC	Savana 3500	—	6.5L	V8	DIESEL	Rear	Thermal Expansion Valve
2000	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
2000	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
2000	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
2000	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
2000	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
2000	GMC	Savana 3500	—	5.7L	V8	GAS	Rear	Thermal Expansion Valve
2000	GMC	Savana 3500	—	6.5L	V8	DIESEL	Rear	Thermal Expansion Valve
2000	GMC	Savana 3500	—	7.4L	V8	GAS	Rear	Thermal Expansion Valve
1999	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
1999	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
1999	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
1999	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
1999	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
1999	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
1998	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
1998	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
1998	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
1998	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
1998	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
1998	GMC	Savana 3500	—	5.7L	V8	GAS	Rear	Thermal Expansion Valve
1998	GMC	Savana 3500	—	6.5L	V8	DIESEL	Rear	Thermal Expansion Valve
1998	GMC	Savana 3500	—	7.4L	V8	GAS	Rear	Thermal Expansion Valve
1997	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
1997	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
1997	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
1997	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
1997	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
1997	GMC	Savana 3500	—	5.7L	V8	GAS	Rear	Thermal Expansion Valve
1997	GMC	Savana 3500	—	6.5L	V8	DIESEL	Rear	Thermal Expansion Valve
1997	GMC	Savana 3500	—	7.4L	V8	GAS	Rear	Thermal Expansion Valve
1996	Chevrolet	Express 1500	—	—	—	—	Rear	Thermal Expansion Valve
1996	Chevrolet	Express 2500	—	—	—	—	Rear	Thermal Expansion Valve
1996	Chevrolet	Express 3500	—	—	—	—	Rear	Thermal Expansion Valve
1996	GMC	Savana 1500	—	—	—	—	Rear	Thermal Expansion Valve
1996	GMC	Savana 2500	—	—	—	—	Rear	Thermal Expansion Valve
1996	GMC	Savana 3500	—	—	—	—	Rear	Thermal Expansion Valve
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