Shop Buick Century Exhaust Gas Recirculation (EGR) Valve. 3.3 & 3.8 LITER. 3.8 liter. All Models; 3.3L EMISSION, Liter, Make - OEM Buick Part # 4593896AD (04593896AD, 4593896AB)

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 Grand Caravan, Pacifica, Town & Country, Wrangler

3.3 & 3.8 LITER. 3.8 liter. All Models; 3.3L, 3.8L. Pacifica; 3.8L. Wrangler.
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.