---
product_id: 19778785
title: "GM Genuine Parts 55591401 Engine Coolant Temperature Sensor"
brand: "gm genuine parts"
price: "HK$177"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/19778785-gm-genuine-parts-55591401-engine-coolant-temperature-sensor
store_origin: HK
region: Hong Kong
---

# Precision threaded mount OEM-spec durability High-accuracy temp sensing GM Genuine Parts 55591401 Engine Coolant Temperature Sensor

**Brand:** gm genuine parts
**Price:** HK$177
**Availability:** ✅ In Stock

## Summary

> 🌟 Stay Cool, Drive Smart — The GM Sensor That Keeps Your Engine in the Zone!

## Quick Answers

- **What is this?** GM Genuine Parts 55591401 Engine Coolant Temperature Sensor by gm genuine parts
- **How much does it cost?** HK$177 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/19778785-gm-genuine-parts-55591401-engine-coolant-temperature-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

- • **Built to Last:** Crafted with GM Genuine Parts quality, delivering durability that withstands up to 260°F engine heat.
- • **Seamless OEM Fit:** Threaded mount designed to match GM factory specs for effortless installation and perfect compatibility.
- • **Tested to GM Standards:** Undergoes the same rigorous testing as original parts, guaranteeing trusted performance and peace of mind.
- • **Engineered for Precision:** High-accuracy digital output ensures your engine’s temperature is monitored with pinpoint reliability.
- • **Optimized Engine Performance:** Feeds real-time temperature data to your engine control module for smarter air/fuel and ignition adjustments.

## Overview

The GM Genuine Parts 55591401 Engine Coolant Temperature Sensor is a high-precision, OEM-spec replacement part designed specifically for GM vehicles. It features a threaded mount for perfect fitment, digital output for accurate temperature readings, and durability rated up to 260°F. Tested to the same standards as original equipment, it ensures reliable engine temperature monitoring to optimize performance and longevity.

## Description

An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

## 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

## Images

![GM Genuine Parts 55591401 Engine Coolant Temperature Sensor - Image 1](https://m.media-amazon.com/images/I/41v23Z00gYL.jpg)
![GM Genuine Parts 55591401 Engine Coolant Temperature Sensor - Image 2](https://m.media-amazon.com/images/I/41ttElLupeL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/19778785-gm-genuine-parts-55591401-engine-coolant-temperature-sensor](https://www.desertcart.hk/products/19778785-gm-genuine-parts-55591401-engine-coolant-temperature-sensor)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*