--- 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: "241.43 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023 store_origin: TN region: Tunisia --- # 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:** 241.43 DT **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?** 241.43 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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.tn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023](https://www.desertcart.tn/products/730828232-aluminum-engine-coolant-thermostat-housing-assembly-compatible-with-2017-2023) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-30*