Shop 1990 Buick Century Oxygen Sensor (Rear, Lower). 6.2 liter. Coupe, 6.2 liter. CTS-V; Rear. Wagon, 6 Liter, Right, Left - OEM Buick Part # 12615194

Sensor. Oxygen. Ft. Snsr.
Oxygen Sensor.

Oxygen Sensor

Fits CTS, H2 , Sierra 3500 HD, Silverado

6.2 liter. Coupe, 6.2 liter. CTS-V; Rear. Wagon, 6.2 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.