Product Review

An ACDelco Professional, premium aftermarket Oxygen (O2) Sensor is the high quality replacement ideal for many vehicles on the road today. It 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 engine management computer can adjust the air/fuel ratio near the optimum value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. This premium aftermarket replacement oxygen sensor is manufactured to meet your expectations for fit, form, and function. Receive better gas mileage with a properly working oxygen sensor.