---
product_id: 52499800
title: "GM Genuine Parts 12661898 Heated Oxygen Sensor"
brand: "gm genuine parts"
price: "E£ 7374"
currency: EGP
in_stock: true
reviews_count: 9
category: "Gm Genuine Parts"
url: https://www.desertcart.com.eg/products/52499800-gm-genuine-parts-12661898-heated-oxygen-sensor
store_origin: EG
region: Egypt
---

# ±1% measurement accuracy Heated sensor for rapid response OEM-spec fit & function GM Genuine Parts 12661898 Heated Oxygen Sensor

**Brand:** gm genuine parts
**Price:** E£ 7374
**Availability:** ✅ In Stock

## Summary

> 🔥 Drive smarter, cleaner, and faster with GM Genuine Precision!

## Quick Answers

- **What is this?** GM Genuine Parts 12661898 Heated Oxygen Sensor by gm genuine parts
- **How much does it cost?** E£ 7374 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/52499800-gm-genuine-parts-12661898-heated-oxygen-sensor)

## Best For

- gm genuine parts enthusiasts

## Why This Product

- Trusted gm genuine parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug-and-Play Fit:** Exact flange mount replacement for hassle-free installation and zero compatibility issues
- • **GM-Approved Reliability:** Factory-validated part ensuring seamless integration and durability
- • **Precision Engine Tuning:** Optimizes air/fuel ratio to 14.7:1 for peak performance and fuel efficiency
- • **Rapid Warm-Up Technology:** Heated sensor design delivers faster feedback for quicker engine adjustments
- • **Emission Control Champion:** Accurately monitors oxygen levels to reduce harmful emissions and keep your ride eco-friendly

## Overview

The GM Genuine Parts 12661898 Heated Oxygen Sensor is a factory-recommended, OE-spec sensor engineered to precisely measure oxygen content in exhaust gases. Featuring a heated design for rapid response and ±1% accuracy, it enables your vehicle’s ECM to optimize fuel economy, reduce emissions, and maintain peak engine performance. Designed for a perfect flange mount fit, this sensor guarantees reliable, long-lasting operation backed by GM’s rigorous quality standards.

## Description

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle's exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Review: Finally eliminated my Check Engine light - Solved my downstream cold air exhaust issue on start up.
Review: Perfect fit - Exact replacement for the original part. No more trouble code, satisfied.

## Features

- Detect oxygen content in the exhaust gases to optimize emissions and fuel economy
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01E6FMZ2K |
| Best Sellers Rank | #188,864 in Automotive ( See Top 100 in Automotive ) #843 in Automotive Replacement Oxygen Sensors |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.4 4.4 out of 5 stars (155) |
| Date First Available | April 12, 2016 |
| Exterior | Painted |
| Global Trade Identification Number | 00808709410607 |
| Item Weight | 3.36 ounces |
| Item dimensions L x W x H | 18 x 1.5 x 1.1 inches |
| Item model number | 12643903 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12661898 |
| Measurement Accuracy | ±1% |
| Measuring Range | 0% - 20% |
| Model | Heated Oxygen Sensor |
| Mounting Type | Flange Mount |
| OEM Part Number | 12661898 |
| Output Type | electrical signal |
| Product Dimensions | 18 x 1.5 x 1.1 inches |
| Sensing Distance | 2 Inches |
| Specific Uses For Product | Oxygen Sensor |
| Style | Modern |
| UPC | 808709410607 |
| Upper Temperature Rating | 800 Degrees Fahrenheit |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Item Weight:** 3.36 ounces
- **Item dimensions L x W x H:** 18 x 1.5 x 1.1 inches
- **Measurement Accuracy:** ±1%
- **Style:** Modern

## Images

![GM Genuine Parts 12661898 Heated Oxygen Sensor - Image 1](https://m.media-amazon.com/images/I/41sEf2IJGGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Finally eliminated my Check Engine light
*by S***. on January 23, 2026*

Solved my downstream cold air exhaust issue on start up.

### ⭐⭐⭐⭐⭐ Perfect fit
*by M***E on July 26, 2024*

Exact replacement for the original part. No more trouble code, satisfied.

### ⭐⭐⭐⭐⭐ Worked well
*by G***C on December 2, 2024*

Had to get an original gm part because off brands don’t work. It worked well for the price. Used it for a 2013 Malibu

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-03-12*