---
product_id: 802161778
title: "Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659"
brand: "pnyzik"
price: "VT53253"
currency: VUV
in_stock: false
reviews_count: 1
category: "Pnyzik"
url: https://www.desertcart.vu/products/802161778-coolant-thermostat-housing-assembly-fit-for-gmc-acadia-chevrolet-blazer
store_origin: VU
region: Vanuatu
---

# Leak-proof rubber sealing Precision-fit for 3.6L engines Durable aluminum alloy build Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659

**Brand:** pnyzik
**Price:** VT53253
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Keep your engine cool and your drive cooler!

## Quick Answers

- **What is this?** Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 by pnyzik
- **How much does it cost?** VT53253 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/802161778-coolant-thermostat-housing-assembly-fit-for-gmc-acadia-chevrolet-blazer)

## Best For

- pnyzik enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Confidence:** Advanced rubber sealing prevents coolant leaks and engine wear, keeping your ride smooth
- • **Built to Last Under Pressure:** High-grade aluminum alloy resists heat, corrosion, and rust for extended durability
- • **Optimized Engine Performance:** Maintains stable thermostat operation to avoid overheating and costly engine damage
- • **Quick & Hassle-Free Installation:** Direct bolt-on replacement saves time and money—no mechanic needed
- • **Engineered for Perfect Compatibility:** Fits GMC Acadia, Chevy Blazer, Buick, Cadillac 2017-2023 models seamlessly

## Overview

This premium Coolant Thermostat Housing Assembly is precision-engineered for 3.6L engines in select GMC, Chevrolet, Buick, and Cadillac models from 2017 to 2023. Crafted from durable aluminum alloy with leak-resistant rubber sealing, it ensures reliable thermostat function, prevents coolant leaks, and protects your engine from overheating. Easy to install with direct bolt-on fitment, it’s the smart upgrade for maintaining peak vehicle performance and avoiding costly repairs.

## Description

Compatible Model Fit for 3.6L engine Fit for GMC Acadia 2017-2023 Fit for Chevrolet Blazer 2019-2023 Fit for Buick LaCrosse 2017-2019 Fit for Buick Regal Sportback 2018-2020 Fit for Cadillac XT5 2017-2023 Fit for Cadillac XT6 2020-2023 Replace Part Number: Replace 12678779 12673659 Sealing & Wear Resistant: --Rubber sealing is used to prevent coolant leakage, reduce engine wear, reduce deposits, reduce blockages, and ensure the normal and stable operation of the thermostat When Does It Need To Be Replaced? --The reading of the thermostat is too high and the engine temperature is too high --There is coolant leakage around the thermostat housing, and the water temperature rises slowly --The engine is damaged --If the above situation occurs, please check if it is caused by damage to the Housing Assembly Easy to install: --Follow the upper radiator hose to the top of the engine and easily locate the thermostat --Direct replacement, fixed with screws, precise installation, simple and convenient, saving time and money Package Includes: 1 x Cooling Thermostat Housing Assembly After Sales Service: If you have any questions about our products, we will provide you with technical support

Review: Fit perfectly

## Features

- Compatible Model: Coolant thermostat housing assembly suitable for 3.6L engine. Fit for GMC Acadia 2017-2023, fit for Chevrolet Blazer 2019-2023, fit for Buick LaCrosse 2017-2019, fit for Buick Regal Sportback 2018-2020, fit for Cadillac XT5 2017-2023, fit for Cadillac XT6 2020-2023. Replace 12678779 12673659
- Sealing & Wear Resistant: Rubber sealing is used to prevent coolant leakage, reduce engine wear, reduce deposits, reduce blockages, and ensure the normal and stable operation of the thermostat
- When Does It Need To Be Replaced? The reading of the thermostat is too high and the engine temperature is too high. There is coolant leakage around the thermostat housing, and the water temperature rises slowly. The engine is damaged. If the above situation occurs, please check if it is caused by damage to the Housing Assembly
- Durable and Sturdy: The coolant thermostat housing is made of high-quality aluminum alloy material, which is sturdy and durable, resistant to high temperatures, oxidation, corrosion, and rust, effectively extending the service life. And the product manufacturing is precise, and after strict quality testing, you can use it with confidence
- Easy to install: Follow the upper radiator hose to the top of the engine and easily locate the thermostat. Direct replacement, fixed with screws, precise installation, simple and convenient, saving time and money

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CZNL16KQ |
| Brand | PNYZIK |
| Customer Reviews | 4.4 4.4 out of 5 stars (7) |
| Date First Available | 3 May 2024 |
| Item Weight | 907 g |
| Item model number | Coolant Thermostat Housing |
| Manufacturer | PNYZIK |
| Manufacturer Part Number | PNKHWQTQH09S |
| Model | Coolant Thermostat Housing |
| Package Dimensions | 43.18 x 17.78 x 10.16 cm; 907.18 g |

## Images

![Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 - Image 1](https://m.media-amazon.com/images/I/31r9jn5IwCL.jpg)
![Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 - Image 2](https://m.media-amazon.com/images/I/4159BJTm9DL.jpg)
![Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 - Image 3](https://m.media-amazon.com/images/I/416vzUH34oL.jpg)
![Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 - Image 4](https://m.media-amazon.com/images/I/41OwQkpmQFL.jpg)
![Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659 - Image 5](https://m.media-amazon.com/images/I/41QXMRTKRnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by T***Y on 3 December 2025*

Fit perfectly

## Frequently Bought Together

- Coolant Thermostat Housing Assembly Fit for GMC Acadia Chevrolet Blazer Buick LaCrosse Regal Sportback Cadillac XT5 XT6 3.6L Engine 2017-2023 Replace 12678779 12673659
- ACDelco GM Original Equipment 12650595 Engine Coolant Temperature Sensor, Black

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-03*