ACDelco 213-2854 Oxygen Sensor Fits select: 1999-2001 SUBARU LEGACY, 1999-2001 SUBARU IMPREZA

An ACDelco Professional, premium aftermarket Oxygen (O2) Sensor is a high quality replacement 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.

Detect oxygen content in the exhaust gases to optimize emissions and fuel economy Coverage available for GM and non-GM applications Professional, premium aftermarket replacement Provides the performance and dependability you expect from ACDelco