GM Genuine Parts Coolant Temperature Sensor 213-4777 High Accuracy

Description

Product Overview

The GM Genuine Parts Coolant Temperature Sensor (model 213-4777) is a precision‑engineered component designed to match the original equipment specifications of GM vehicles. Constructed from high‑grade ceramic, the sensor offers superior thermal stability and resistance to corrosion, ensuring accurate temperature readings in demanding engine environments. With a rapid 1 millisecond response time and an upper temperature rating of 150 °C, it delivers reliable data to the engine control unit for optimal cooling system performance. The modern flange‑mount design simplifies installation, while the machined exterior provides a secure fit and long‑lasting durability.

Usage

This sensor is intended for use in all GM models that specify the 213‑4777 coolant temperature sensor. It is ideal for drivers seeking to maintain factory‑level engine temperature control, whether for daily commuting, performance driving, or heavy‑duty applications. Install the sensor in the coolant passage where the original unit was located to monitor engine temperature accurately, helping prevent overheating and ensuring efficient fuel combustion. Suitable for both new installations and replacement of a failed OEM sensor.

Why Choose Us

Choosing the GM Genuine Parts sensor guarantees compatibility with GM vehicle systems, as it is manufactured to exact OE specifications. The ceramic material provides exceptional heat resistance and longevity, reducing the need for frequent replacements. Each unit undergoes rigorous quality testing to meet GM’s high standards for fit, form, and function. Backed by ACDelco’s reputation for automotive excellence, this sensor offers peace of mind with reliable performance and a proven track record reflected in a 4.6‑star rating from over 700 customers.

Key Features

• High‑grade ceramic construction for superior heat resistance and durability
• Fast 1 ms response time delivers real‑time temperature data to the ECU
• Accurate readings up to 150 °C ensure optimal engine cooling
• Flange‑mount design matches OEM fit for quick, hassle‑free installation
• Supported by ACDelco customer service and a 4.6‑star rating from verified buyers

FAQ

Is this sensor a direct replacement for the original GM part?

Yes, the 213‑4777 sensor is manufactured to GM OE specifications, providing a direct fit and identical performance to the factory component.

Can I install this sensor myself?

The flange‑mount design allows for straightforward installation with basic hand tools. However, if you are not comfortable working on the cooling system, professional installation is recommended.

What vehicles are compatible with this sensor?

It fits any GM vehicle that lists part number 213‑4777 or OEM part number 12639899. Check your vehicle’s service manual for exact compatibility.

How does the ceramic material benefit the sensor?

Ceramic provides excellent thermal stability and resistance to corrosion, resulting in more accurate temperature readings and a longer service life compared to metal sensors.

What warranty does this sensor include?

The sensor comes with a limited warranty from ACDelco covering manufacturing defects, and you can contact their support team for any assistance.