Professional Oxygen (O2) Sensors



If your Oxygen Sensor is not functioning properly, you are robbing yourself of good performance and costing yourself money at the gas pump. You can find an expanded line of oxygen sensors for most vehicles on the road today. Let ACDelco's Professional Oxygen Sensors help! 

Features & Benefits
  • ACDelco GM OE emission parts, fuel injectors and control modules earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.
  • Detect oxygen content in the exhaust gases
  • The Powertrain Control Module (PCM) uses this input to optimize the combustion process and control exhaust emissions.
  • Designed to meet rigorous OBD ll standards
  • Over 1000 parts providing coverage of most makes and models for domestic and import.
  • Customers can receive better gas mileage with a properly working oxygen sensor.
  • ACDelco offers a 12-month/20,000km limited warranty* on most fuel injection, emission and control module parts.

* Whichever comes first. To the original retail purchaser. Parts only; installation not included. See your local ACDelco Distributor or independent service centre that offers ACDelco Parts for details. 

Product Facts
Find out more about ACDelco Professional Oxygen (O2) Sensors and how they fit into the Exhaust and Emissions System with the product facts below. 

FUNCTION:
Senses oxygen content in the exhaust gas. The Powertrain Control Module (PCM) uses this input to optimize the combustion process. 

SIGNS OF WEAR:
Rough-running engine, poor fuel economy, "Service Engine Soon" light illuminates. 

WHAT IT DOES:
The Exhaust and Emissions System muffles engine noise while reducing harmful fuel vapors and exhaust pollutants.

SERVICE AND MAINTENANCE:
With today's computerized engine systems, maintaining your vehicle's Exhaust and Emissions System is best left to a professional technician.