---
product_id: 613388935
title: "Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade."
brand: "youyien"
price: "1156391₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Youyien"
url: https://www.desertcart.vn/products/613388935-upgrade-aluminium-thermostat-housing-assembly-1pcs-replaces-part-12674639-15
store_origin: VN
region: Vietnam
---

# Fits 2014-2020 GM full-size trucks & SUVs 208.4°F start-to-open temp Precision-machined aluminum build Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade.

**Brand:** youyien
**Price:** 1156391₫
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your engine cool and your ride legendary 🚗

## Quick Answers

- **What is this?** Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. by youyien
- **How much does it cost?** 1156391₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/613388935-upgrade-aluminium-thermostat-housing-assembly-1pcs-replaces-part-12674639-15)

## Best For

- youyien enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation Kit:** Includes premium gasket and straightforward fitment to get you back on the road faster with zero hassle.
- • **OEM-Quality Assurance:** Tested to meet or exceed original equipment standards for reliable, long-lasting performance.
- • **Engineered for Endurance:** Upgraded aluminum housing resists heat distortion and leaks better than plastic OEM parts.
- • **Wide Vehicle Compatibility:** Seamlessly fits Chevy Silverado, Suburban, Tahoe, Corvette, GMC Sierra, Yukon, and Cadillac Escalade models from 2014-2020.
- • **Optimized Temperature Control:** Thermostat opens precisely at 208.4°F to maintain ideal engine operating temperature and prevent overheating.

## Overview

This Upgrade Aluminium Thermostat Housing Assembly replaces part #12674639 and fits a broad range of 2014-2020 GM trucks and SUVs. Crafted from durable aluminum, it offers superior heat resistance and leak prevention compared to plastic OEM housings. Designed to open at 208.4°F, it ensures stable engine temperatures, preventing overheating. The package includes the housing and gasket, tested to meet OEM quality for easy installation and long-lasting reliability.

## Description

Start to Open Temperature : 208.4°F FITMENT: Fit for Chevy Silverado 1500 2014-2019. Fit for Suburban 2015-2020. Fit for Tahoe 2015-2020. Fit for Corvette 2014. Fit for Cadillac Escalade 2015-2020. Fit for GMC Sierra 1500 2014-2018. Fit for Sierra 1500 Limited 2019. Fit for Yukon 2015-2020. Fit for Yukon XL 2015-2020. Package List: 1XEngine Coolant Thermostat Housing Assembly. 1X Gaskets. Notice: Please verify your part pictures, part numbers before purchasing to prevent wrong purchases.

Review: Perfect product for sure - The perfect choice for a thermostat, it is affordable and reliable quality.
Review: Didn't work for my 2014 silverado. - Thought it fit kinda tight when I put it in. Stopped working after a few miles of driving. Leading to temp gauge not working and the radiator fan non stop running.

## Features

- Replacement:Thermostat controls temperature levels based on vehicle driving conditions and load. Upgraded aluminum replaces plastic materials that leak due to heat distortion. Keeps the engine at a stable operating temperature and prevents overheating.
- Fitment:Fit for Chevy Silverado 1500 2014-2019, Suburban 2015-2020,Tahoe 2015-2020, Corvette 2014, Cadillac Escalade 2015-2020,GMC Sierra 1500 2014-2018 ,Sierra 1500 Limited 2019 ,Yukon 2015-2020 ,Yukon XL 2015-2020. Replaces Part # 12674639 15-11125.
- Package List: 1XAluminium Thermostat Housing Assembly.1X Gaskets.
- Product Quality:Constructed from high quality durable aluminium for increased longevity and high temperature resistance. Tested to meet OEM quality standards for long-lasting performance and easy installation.
- Note:Please verify your part pictures, part numbers before purchasing to prevent wrong purchases and unnecessary charges.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CS6W71BJ |
| Best Sellers Rank | #268,022 in Automotive ( See Top 100 in Automotive ) #356 in Automotive Replacement Engine Thermostat Housings |
| Brand | YOUYIEN |
| Customer Reviews | 3.6 3.6 out of 5 stars (43) |
| Date First Available | January 12, 2024 |
| Exterior | Machined |
| Item Weight | 12 ounces |
| Item model number | ATHAYY06 |
| Manufacturer | YOUYIEN AUTO PARTS |
| Manufacturer Part Number | ATHA1PYYCS1 |
| Model | ATHAYY06 |
| Package Dimensions | 5.83 x 4.37 x 3.66 inches |

## Images

![Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. - Image 1](https://m.media-amazon.com/images/I/71CZDXsx0jL.jpg)
![Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. - Image 2](https://m.media-amazon.com/images/I/61xHf1i+fxL.jpg)
![Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. - Image 3](https://m.media-amazon.com/images/I/71mBtvQajVL.jpg)
![Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. - Image 4](https://m.media-amazon.com/images/I/71dYVCr6kVL.jpg)
![Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade. - Image 5](https://m.media-amazon.com/images/I/614K7gB7n3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect product for sure
*by B***Y on May 22, 2026*

The perfect choice for a thermostat, it is affordable and reliable quality.

### ⭐ Didn't work for my 2014 silverado.
*by M***E on May 17, 2024*

Thought it fit kinda tight when I put it in. Stopped working after a few miles of driving. Leading to temp gauge not working and the radiator fan non stop running.

### ⭐⭐⭐⭐⭐ Works and fits great!
*by H***L on March 4, 2026*

Fits and works great. I’ve had it installed for 6 months and haven’t had any problems.

## Frequently Bought Together

- Upgrade Aluminium Thermostat Housing Assembly(1PCS).Replaces Part # 12674639 15-11125.Fit for 2014-2020 Chevy Silverado 1500 & Suburban & Tahoe,GMC Sierra 1500 & Yukon & Yukon XL & Cadillac Escalade.
- ACDelco Gold 213-4514 (19236568) Engine Coolant Temperature Sensor

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-09*