Shop 1991 Buick Century Exhaust Gas Recirculation (EGR) Valve. 3.8 LITER. All Models; 3.8L. EGR Valve EMISSION, Combustion - OEM Buick Part # 12568589 (17113642)

Exhaust Gas Recirculation (EGR) Valve. Valve Assembly - EGR.
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

Fits Camaro, Firebird

3.8 LITER. All Models; 3.8L.
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 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.