Shop 1999 Buick Century Oxygen Sensor (Rear, Lower). 3.5 & 3.9 LITER W/FLEX FUEL. 3.5 & 3.9 LITER W/O LITER, Left, EMISSION - OEM Buick Part # 12608662

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

Oxygen Sensor

Fits Aura, G6, Impala, Malibu, Uplander

3.5 & 3.9 LITER W/FLEX FUEL. 3.5 & 3.9 LITER W/O FLEX FUEL. 3.6 LITER. Aura; 3.6L; Rear; Left. G6; Rear; 3.6L; Left. Impala, Monte Carlo; 3.5L, 3.9L; Rear. Malibu; 3.6L; Rear; Left. VAPOR CANISTER/OXYGEN SENSOR, 3.6 liter.
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.