Description: 3.4l. Without awd. Without extended. S-series. 4.3l. All. Exc.Extended Wheelbase. 4 door. 5.3L. Helps reduce harmful pollutants from entering the atmosphere Captures fuel vapors to be re-burned in the engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: ACDelco Heated Oxygen Sensor (Part Number: 12567254) is a heated O2 sensor assembly (SENSOR ASM-HTD OXY) that detects oxygen content in exhaust gases to help optimize emissions and engine control. Listed fitment includes front and rear of converter positio ...