---
product_id: 92218204
title: "GM Genuine Parts 213-4778 (12643246) Position 2 Exhaust Temperature Sensor"
brand: "gm genuine parts"
price: "A$133"
currency: AUD
in_stock: true
reviews_count: 13
category: "Gm Genuine Parts"
url: https://www.desertcart.com.au/products/92218204-gm-genuine-parts-213-4778-12643246-position-2-exhaust-temperature
store_origin: AU
region: Australia
---

# Operates at 12V max supply voltage OEM-spec fit & flange mount design Measures exhaust temps up to 900°C GM Genuine Parts 213-4778 (12643246) Position 2 Exhaust Temperature Sensor

**Brand:** gm genuine parts
**Price:** A$133
**Availability:** ✅ In Stock

## Summary

> 🌟 Keep your GM running cooler, smarter, and stronger with genuine precision!

## Quick Answers

- **What is this?** GM Genuine Parts 213-4778 (12643246) Position 2 Exhaust Temperature Sensor by gm genuine parts
- **How much does it cost?** A$133 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/92218204-gm-genuine-parts-213-4778-12643246-position-2-exhaust-temperature)

## 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

- • **High-Temp Endurance:** Withstands extreme exhaust temperatures up to 900°C without compromising reliability.
- • **Engine Efficiency Booster:** Feeds real-time data to control module to optimize fuel delivery and prevent overheating.
- • **GM-Recommended OEM Quality:** Built to exact GM OE specs for seamless integration and trusted durability.
- • **Plug-and-Play Installation:** Flange mount design guarantees hassle-free replacement and perfect fit every time.
- • **Precision Thermal Monitoring:** Accurate ±1.5% measurement ensures optimal engine performance and protection.

## Overview

The GM Genuine Parts 213-4778 Exhaust Temperature Sensor is a factory-spec replacement part engineered to measure exhaust gas temperatures up to 900°C with ±1.5% accuracy. Designed for GM vehicles, it ensures optimal engine control by providing critical data to the engine control module, enhancing fuel efficiency and protecting exhaust components from overheating. Manufactured by ACDelco to GM OE standards, this sensor offers reliable, durable performance with easy flange mount installation.

## Description

An ACDelco GM Original Equipment Exhaust Temperature Sensor reports the exhaust gas temperature to the engine control module, and is a GM-recommended replacement for your vehicle’s original component. The temperature signal is used by the control module to adjust fuel delivery and boost pressure to protect the exhaust after-treatment components from overheating and keep them operating efficiently. This original equipment exhaust temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Review: Genuine OEM part - Genuine OEM part, works as expected
Review: Perfect! - Worked perfectly!

## Features

- 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
- Undergo the same stringent testing process as the original part

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0055AIDGS |
| Best Sellers Rank | #312,131 in Automotive ( See Top 100 in Automotive ) #36 in Automotive Replacement Exhaust Gas Sensors |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.6 4.6 out of 5 stars (232) |
| Date First Available | March 17, 2011 |
| Exterior | Machined |
| Global Trade Identification Number | 00707773774045 |
| Item Weight | 1.76 ounces |
| Item dimensions L x W x H | 12 x 8 x 1.9 inches |
| Item model number | 213-4778 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 213-4778 |
| Material | Metal |
| Maximum Supply Voltage | 12 Volts |
| Measurement Accuracy | ±1.5% |
| Measuring Range | 150 - 900 °C |
| Model | Temperature Sensor |
| Mounting Type | Flange Mount |
| OEM Part Number | 12643246 |
| Output Type | Push-Pull |
| Product Dimensions | 12 x 8 x 1.9 inches |
| Specific Uses For Product | Pressure,Temperature |
| Style | Modern |
| UPC | 707773774045 |
| Upper Temperature Rating | 900 Degrees Celsius |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Item Weight:** 0.11 Pounds
- **Item dimensions L x W x H:** 12 x 8 x 1.9 inches
- **Material:** Metal
- **Style:** Modern

## Images

![GM Genuine Parts 213-4778 (12643246) Position 2 Exhaust Temperature Sensor - Image 1](https://m.media-amazon.com/images/I/41XPjBgxBhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Genuine OEM part
*by E***. on January 19, 2026*

Genuine OEM part, works as expected

### ⭐⭐⭐⭐⭐ Perfect!
*by B***A on December 12, 2024*

Worked perfectly!

### ⭐⭐⭐⭐⭐ This Worked Perfect
*by R***E on May 6, 2025*

After I had a code P2033 on my duramax I installed this part and it went away after 10-20 seconds👍🏼👍🏼

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**Shop now:** [https://www.desertcart.com.au/products/92218204-gm-genuine-parts-213-4778-12643246-position-2-exhaust-temperature](https://www.desertcart.com.au/products/92218204-gm-genuine-parts-213-4778-12643246-position-2-exhaust-temperature)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-18*