Buy 2005 Buick Century Exhaust Gas Recirculation (EGR) Valve. 4.3 LITER, CPI. 6 cylinder. Astro, Safari EMISSION, CPI, Cylinder - OEM Buick Part # 12578044 (17113534)

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. Standard.

EGR Valve

Fits Astro, Bravada, Jimmy , S10 , S10 Blazer, SAFARI , Sonoma, Typhoon

4.3 LITER, CPI. 6 cylinder. Astro, Safari; 4.3L; Auto Trans; All; Vin Code W. S-Series; 4.3L; CPI.
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 2005 Buick Century to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Buick genuine parts.