Shop 1991 Buick Century Exhaust Gas Recirculation (EGR) Valve. All Models; Pontiac; Standard Eng; Auto Combustion, Make, Repair - OEM Buick Part # 17113493 (17111881)

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

Fits Firenza, Skyhawk, Sunbird

All Models; Pontiac; Standard Eng; Auto Trans.
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.