Buy OEM GENERAL MOTORS Part # 19209815 (12590847). Oxygen Sensor (Rear, Lower). 1/2 TON. 3/4 TON. 4.3 liter. 6.0 liter, rear. All Models; 4.3L; Rear. All Models; 4.8L; Rear; Option 2

Sensor. Oxygen. Ft. Snsr.
Oxygen Sensor.

Oxygen Sensor

1/2 TON. 3/4 TON. 4.3 liter. 6.0 liter, rear. All Models; 4.3L; Rear. All Models; 4.8L; Rear; Option 2. Avalanche, Escalade EXT; Rear. Escalade ESV; Rear. Rear, 4.3 liter. Rear, 4.8 liter. Silverado, Sierra; 4.3L; Rear. Silverado, Sierra; 6.0L; Rear. Tahoe, Yukon, Escalade; Rear. Yukon XL, Suburban; 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.