---
product_id: 730828232
title: "Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780"
brand: "llannder"
price: "42037CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023
store_origin: SN
region: Senegal
---

# OEM exact match Durable aluminum build Precision-engineered fit Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780

**Brand:** llannder
**Price:** 42037CFA
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your engine’s heartbeat with precision and durability!

## Quick Answers

- **What is this?** Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 by llannder
- **How much does it cost?** 42037CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023)

## Best For

- llannder enthusiasts

## Why This Product

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

## Key Features

- • **Wide Vehicle Coverage:** Fits multiple popular models including LaCrosse, Regal, XT5, XT6, Blazer, and Acadia—one part for many rides.
- • **Tested for Reliability:** 100% quality tested before shipping, so you can trust peak performance from day one.
- • **Effortless Installation:** Designed for quick, hassle-free installation—get your vehicle back on the road faster without extra tools or modifications.
- • **Seamless OEM Compatibility:** Perfectly engineered to replace part #12678780 for a flawless fit across 2017-2023 Buick, Cadillac, Chevy, and GMC 3.6L engines.
- • **Premium Aluminum Durability:** Crafted from high-quality aluminum to resist cracks and leaks, ensuring long-lasting engine protection.

## Overview

The LLANNDER Aluminum Engine Coolant Thermostat Housing Assembly is a premium, OEM-exact replacement part designed for 2017-2023 Buick, Cadillac, Chevy, and GMC 3.6L engines. Made from durable aluminum and rigorously tested, it ensures leak-resistant, crack-proof performance with easy installation across multiple popular vehicle models.

## Description

Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780

## Features

- Replace Part Numbers: 12678780
- Premium Quality: LLANNDER Thermostat Housing Is Made of High Quality & Durable Materials for Resistance to Crack and Leakage. 100% Tested Before Shipping
- Easy Installation: The Thermostat Housing Is Precisely Engineered for Easy Installation. It Is Exactly Match OEM Product
- Application: Fit for 2017-2019 LaCrosse, 2018-2020 Regal Sportback, 2017-2023 XT5, 2020-2023 XT6, 2019-2023 Blazer, and 2017-2023 Acadia Models. Specially Designed for 3.6L Engines
- Package Includes: 1x Engine Coolant Thermostat Housing Assembly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LLANNDER |
| Brand | LLANNDER |
| Model | Thermostat Housing |
| Product Dimensions | 10.8 x 10.8 x 8.51 cm; 331.12 g |
| Item model number | 12678780 |
| Exterior | Machined |
| Manufacturer Part Number | 12678780 |
| Position | Front |
| Item Weight | 331 g |

## Images

![Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 - Image 1](https://m.media-amazon.com/images/I/61GoNXiZVNL.jpg)
![Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 - Image 2](https://m.media-amazon.com/images/I/71Byli1P7-L.jpg)
![Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 - Image 3](https://m.media-amazon.com/images/I/71PHbXP0qeL.jpg)
![Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 - Image 4](https://m.media-amazon.com/images/I/71IDfz8050L.jpg)
![Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780 - Image 5](https://m.media-amazon.com/images/I/71oEnp9bEML.jpg)

## Frequently Bought Together

- LLANNDER Aluminum Engine Coolant Thermostat Housing Assembly Compatible with 2017-2023 Buick Cadillac Chevy GMC Vehicles - LaCrosse Regal XT5 XT6 Blazer Acadia 3.6L, Replaces 12678780
- Walker Products 211-2025 Engine Coolant Temperature Sensor
- ACDelco GM Original Equipment 12650595 Engine Coolant Temperature Sensor, Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023](https://www.desertcart.sn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-17*