Shop 2004 Buick Century Oxygen Sensor. 2.0 liter. CANISTER & SENSORS, 2.0L. Cobalt; Front (Position 1) Position, EMISSION - OEM Buick Part # 12589380

Sensor. Oxygen. Assembly - Heated (O2) (POSN 1). Ft.
Oxygen Sensor.

Oxygen Sensor

Fits Cobalt, HHR, Sky, Solstice

2.0 liter. CANISTER & SENSORS, 2.0L. Cobalt; Front (Position 1); 2.0L. Sky; 2.0L; Front (Position 1). Solstice; Front (Position 1); 2.0L.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor 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.