Shop 2015 Buick Regal Oxygen Sensor (Rear, Upper, Lower). 1.5, 2.0 LITER, 2.0 liter. 2.0 liter. 2.0 - OEM Buick Part # 12661898 (12643903)

Sensor. Oxygen.
Oxygen Sensor. Center Pillar trim plug. Ft. Snsr.

Oxygen Sensor

1.5, 2.0 LITER, 2.0 liter. 2.0 liter. 2.0 LITER TURBO. 2.4 LITER. 2.5 LITER. 2016-20. Acadia; 2.5L; Lower. Envision; 2.0L; Bank 1 Sen 2. Envision; 2.5L; Bank 1 Sen 2. Equinox, Terrain; 2.0L; Downstream. Impala; 2.4L, 2.5L; Downstream. Malibu; 2.0L, 2.5L; Downstream. Malibu; 2.0L; Downstream. Regal Sportback; 2.0L; Downstream. Regal TourX; Downstream. Regal; 2.0L; Downstream. Regal; 2.4L; Downstream. Traverse; 2.0L; Rear.
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.