Shop 2002 Buick Century Oxygen Sensor (Rear, Lower). 5.3 LITER. Grand Prix; Rear. Impala, Monte Carlo; 5 EMISSION, Liter, Make - OEM Buick Part # 12615124

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

Oxygen Sensor

Fits Grand Prix, Impala, LaCrosse

5.3 LITER. Grand Prix; Rear. Impala, Monte Carlo; 5.3L; Rear. LaCrosse; Rear; 5.3L.
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.