Manufactured to GM OE specification for fit, form, and function , Connector Gender: Female GM Genuine Parts – Oxygen Sensor: 4 Wires, 309.5 mm Long, Heated, Exact Fit (Part No.213-1161). Oxygen Sensor: 4 Wires, 309.5 mm Long, Heated, Exact Fit. from 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. 2003 Cadillac Escalade EXT Oxygen Sensors OE Heated O2 Sensor Replacement ACDelco® 213-1149 - Genuine GM Parts™ Oxygen Sensor GM Original Equipment Sensor Offering the quality, reliability, and durability of GM OE ACDelco 213-2823 Sensor de oxígeno calentado – Yaxa Colobia Detect oxygen content in the exhaust gases to optimize emissions and fuel economy 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.
