---
product_id: 52499800
title: "GM Genuine Parts 12661898 Heated Oxygen Sensor"
brand: "gm genuine parts"
price: "$129"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/52499800-gm-genuine-parts-12661898-heated-oxygen-sensor
store_origin: NZ
region: New Zealand
---

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

**Brand:** gm genuine parts
**Price:** $129
**Availability:** ✅ In Stock

## Summary

> 🔥 Drive smarter, cleaner, and greener with GM’s precision oxygen sensor!

## Quick Answers

- **What is this?** GM Genuine Parts 12661898 Heated Oxygen Sensor by gm genuine parts
- **How much does it cost?** $129 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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 & Play Fitment:** Exact flange mount design ensures seamless installation
- • **Durability Under Heat:** Operates reliably up to 800°F for long-lasting performance
- • **Rapid Thermal Response:** Heated sensor reaches operating temp quickly for real-time adjustments
- • **Precision Oxygen Detection:** Optimizes air/fuel ratio to 14.7:1 for peak engine efficiency
- • **GM-Recommended Authenticity:** Guaranteed genuine GM OE quality and reliability

## Overview

The GM Genuine Parts 12661898 Heated Oxygen Sensor is a factory-spec sensor engineered to measure oxygen levels in exhaust gases with ±1% accuracy. Designed to optimize your GM vehicle’s air/fuel ratio for improved fuel economy, emissions, and engine performance, this heated sensor quickly reaches operating temperature and withstands up to 800°F. Backed by GM’s rigorous standards, it guarantees a perfect fit and reliable durability as a true OE replacement.

## Description

GM Genuine Parts 12661898 Heated Oxygen Sensor

## 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 |
|---------------|-------|
| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 18 x 1.5 x 1.1 inches |
| Item Weight | 3.36 ounces |
| Style | Modern |
| Measurement Accuracy | ±1% |
| Measuring Range | 0% - 20% |
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Sensing Distance | 2 Inches |
| Specific Uses For Product | Oxygen Sensor |
| Upper Temperature Rating | 800 Degrees Fahrenheit |
| UPC | 808709410607 |
| Global Trade Identification Number | 00808709410607 |
| Manufacturer | ACDelco |
| Model | Heated Oxygen Sensor |
| Product Dimensions | 18 x 1.5 x 1.1 inches |
| Item model number | 12643903 |
| Exterior | Painted |
| Manufacturer Part Number | 12661898 |
| OEM Part Number | 12661898 |

## Product Details

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

## Images

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

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---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-16*