Shop 1998 Buick Century Oxygen Sensor (Rear, Lower). 3.0 LITER. 3.6 liter. ELR; Lower. Equinox, Terrain LITER, EMISSION, Make - OEM Buick Part # 12612430

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

Oxygen Sensor

Fits Acadia, ELR, Enclave , Equinox, LaCrosse, SRX, Terrain, Traverse , Volt

3.0 LITER. 3.6 liter. ELR; Lower. Equinox, Terrain; 3.0L. LaCrosse. LaCrosse; 3.6L. SRX; 3.0L. Volt; Lower.
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.