Parts ACDelco Genuine Heated Oxygen Sensor – 12657188

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. 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 original equipment oxygen sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Genuine AC Delco Heated Oxygen Sensor – 12657188
Item Package Dimension: 8.34L x 3.18W x 2.99H inches
Item Package Weight – 0.2 Pounds
Item Package Quantity – 1
Product Type – ELECTRONIC SENSOR

Price: $63.16 – $41.66
(as of Feb 02, 2025 17:48:14 UTC – Details)

Customer Reviews

Reviewer: God
Rating: 5.0 out of 5 stars
Title: 15 GMC Sierra
Review: Fits….Quick and easy… Working so far

Reviewer: John
Rating: 5.0 out of 5 stars
Title: Quality Product
Review: You can’t do better than replacing with factory GM replacement parts.

Reviewer: EDDIE R.
Rating: 5.0 out of 5 stars
Title: O2 sensor Ac Delco CHEVY SILVERADO
Review: Make sure you get the correct one. Upstream/down , other then that it work great sucked all the emissions out. No.more Check engine light. Simple do it yourself! Be a man!

Reviewer: Ikemen
Rating: 5.0 out of 5 stars
Title: Works as it should
Review: Worked prefect and looked to be an exact replacement. Was fairly quick and easy to install.

Reviewer: brandon
Rating: 5.0 out of 5 stars
Title: Good price
Review: The hard part was removing the original O2 sensor. Bought a socket for sensors and replaced. It has been 2 months since I’ve replaced and so far my O2 Sensor high voltage fault code is cleared.

Reviewer: Yesmin
Rating: 1.0 out of 5 stars
Title: Wrong parts again wrong parts again
Review: 2 are good but the other 2 need to be with the plug black not gray can you get those 2 plugs ?

Reviewer: PhilnTX
Rating: 5.0 out of 5 stars
Title: Silverado O2 Sensors
Review: Best price on the internet for these factory replacement O2 sensors.

Reviewer: David Noto
Rating: 5.0 out of 5 stars
Title: Works great
Review: Works great