Buy OEM 2009 Gmc Part # 12578036 (17113712). Exhaust Gas Recirculation (EGR) Valve. 2.2 liter. 2.2 LITER, all. 2.2L. 2.4 LITER. 2.4L. 4 cylinder. All Models; 2.2L. All Models; 2.4L

Exhaust Gas Recirculation (EGR) Valve.
A Valve used to recirculate small amounts of Exhaust back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides.

EGR Valve

2.2 liter. 2.2 LITER, all. 2.2L. 2.4 LITER. 2.4L. 4 cylinder. All Models; 2.2L. All Models; 2.4L. Cavalier, Sunfire; 2.2L. Cavalier, Sunfire; 2.4L. S-Series; 2.2L; All.
EGR Valve - Repair or Replace
A failed EGR valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 2009 GMC to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and GMC genuine parts.