Seller notes

Please check your vehicle with the vehicle compatibility list for fitment and please read the "notes" section. This is the same exact part you will receive if you were to buy it from your local GM dealership. An ACDelco GM Original Equipment Oxygen (O2) Sensor is a GM-recommended replacement for your vehicle’s original component, and is a special feedback sensor on your vehicle’s exhaust system. This sensor measures the proportion of oxygen in the exhaust gases. Using this measurement, the e...

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