Shop OEM General Motors Part # 12686786 (40009342). Sensor. Oxygen. (Rear, Lower). 3.0 LITER DIESEL, SENSORS. Escalade ESV; 3.0L Diesel; Lower; Left. Escalade; 3.0L Diesel; Lower; Left

A Sensor which detects the amount of Nox in the exhaust system. NOX Sensor. Oxygen Sensor. Ft. Nitrogen Oxide (NOx). Snsr.

Fits Escalade , Escalade ESV, Sierra 1500, Silverado, Suburban , Tahoe , Yukon, Yukon XL

3.0 LITER DIESEL, SENSORS. Escalade ESV; 3.0L Diesel; Lower; Left. Escalade; 3.0L Diesel; Lower; Left. Silverado, Sierra; Position 3. Suburban; 3.0L Diesel; Lower; Left. Tahoe; 3.0L Diesel; Lower; Left. Yukon XL; 3.0L Diesel; Lower; Left. Yukon; 3.0L Diesel; Lower; Left.
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.