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Professional
An ACDelco Professional, premium aftermarket Oxygen (O2) Sensor is the ideal high quality replacement for your GM vehicle. 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 or exceed your expectations for fit, form, and function.

Features & Benefits:
  • 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
  • Manufactured to meet expectations for fit, form, and function

Common O2 Sensor Locations, Service Intervals, & Helpful Links:

Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity3
Connector ShapeFlat
Connector GenderFemale
Overall Length11.00 IN
Overall Length280.0 MM
Thread Diameter18.00 mm
Mounting TypePOSN 1
Alternate/OEM Part Number(s): 88929726

Warranty Information:
24 Month / Unlimited Mile Warranty on parts sold on or after 04/01/18; 12 Months on parts sold before 04/01/18.
Warranty Details