Shop 2004 Buick Century Oxygen Sensor. Front, 4.4 liter. Front, 4.6 liter. XLR; Front; 4.4L. XLR; Front Front, Liter, Emission - OEM Buick Part # 12598296 (12588035)

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

Oxygen Sensor

Fits XLR

Front, 4.4 liter. Front, 4.6 liter. XLR; Front; 4.4L. XLR; Front; 4.6L.
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.