Shop 2002 Buick Century Oxygen Sensor. 1st design. 5.3 LITER. 6.0 liter. All Models; 5.3L; Front. All Liter, EMISSION, Front - OEM Buick Part # 12590749

Ft Oxygen Sensor. Sensor Assembly - Heated Oxygen (O2) (POSN 2).
Oxygen Sensor.

Oxygen Sensor

Fits Envoy, Envoy XL, Rainier, SSR , Trailblazer, Trailblazer EXT

1st design. 5.3 LITER. 6.0 liter. All Models; 5.3L; Front. All Models; 6.0L; Front.
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.