Shop 1990 Buick Century Oxygen Sensor (Rear). 1997-2002, 4.0 liter California. 2003-06, 4.0 liter. Jeep EMISSION, Liter, Make - OEM Buick Part # 56041847AA

Oxygen Sensor.
Cylinder 1,2,3. Oxygen Sensor.

Oxygen Sensor

Fits Wrangler

1997-2002, 4.0 liter California. 2003-06, 4.0 liter. Jeep; Rear; 4.0L; Upsteam.
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.