Shop 2003 Cadillac Escalade EXT Oxygen Sensor (Rear, Lower). 3.0 LITER DIESEL. 5.7 LITER. 5.7 LITER, 6 LITER, Left, Speed - OEM Cadillac Part # 68090640AB (68090640AA)

Oxygen. Sensor.
Oxygen Sensor. Ft. Snsr.

Oxygen Sensor

Fits 1500, 1500 Classic, 2500, 3500, Dart, Viper

3.0 LITER DIESEL. 5.7 LITER. 5.7 LITER, 6 speed trans. 5.7 LITER, 8 speed trans. 6.4 LITER. 6.4 LITER, 2021-24. Dart; 2.0L; Upper. Ram 1500; 5.7L; Downstream; 6 Speed Auto; 4WD; Right. Ram 1500; 5.7L; Lower; Right. Ram 1500; 5.7L; Upstream; 8 Speed Auto; Left; 4WD. Ram 2500, 3500; 6.4L; Downstream; Left. Ram 2500; 5.7L; Rear; Left. Ram 2500; 6.4L; Rear; Left. Viper; Lower. W/O TURBO, 2.0L.
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.