Shop 1990 Buick Century Oxygen Sensor (Rear, Lower). 3.2 liter, rear. CTS; CATALYST MONITORING. CTS EMISSION, CATALYST - OEM Buick Part # 24402860

Sensor. Oxygen.
Oxygen Sensor. Heated (O2). Ft. Snsr.

Oxygen Sensor

Fits CTS

3.2 liter, rear. CTS; CATALYST MONITORING. CTS; CATALYST MONITORING; 3.2L.
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.