Thermostat Housing Assembly 12623519 Fit for 2017-2023 Cadillac XT5 GMC Acadia Chevy Blazer 3.6L V6

This aluminum thermostat housing assembly is designed to replace a damaged or leaking housing on compatible Buick, Cadillac, Chevrolet, and GMC vehicles with 3.6L V6 engines. It helps restore the coolant system’s housing interface and support stable engine temperature control during cooling-system repairs.

Product Features

• Aluminum housing assembly: Provides a durable replacement for a worn or damaged thermostat housing.
• Stainless steel and copper materials: Designed to withstand coolant exposure and normal engine operating temperatures.
• Direct-replacement design: Engineered to match the original installation arrangement on compatible applications.
• Cooling-system service component: Helps restore reliable coolant flow management when the original housing is leaking or deteriorated.

OE / Reference Numbers

12623519
12669654
12670557
12673659
12678779
12678780
860221

Package Includes

1 × Aluminum Thermostat Housing Assembly

Important Notes

• Please verify the OE/reference number and vehicle information before ordering.
• Confirm the exact 3.6L V6 engine configuration, model year, and vehicle application before purchase.
• Compare the housing shape, mounting points, coolant ports, sensor connections, and included components with your original assembly.
• The package includes one aluminum thermostat housing assembly. A thermostat, gasket, coolant temperature sensor, hoses, and additional hardware are not listed as included.
• Follow the vehicle manufacturer’s coolant draining, installation, filling, and bleeding procedures.

Warranty

AUCERAMIC 12-Month Warranty

AUCERAMIC provides a 12-month warranty for this product. Every product is checked before shipment. If you experience any product quality or installation-related issues during the warranty period, please contact our customer service team for assistance.

⏱ Estimated Delivery Time

Delivery times vary by location:

• USA: 3-7 business days
  
• Canada & Europe: 7-18 business days
  
• Australia & New Zealand: 10-20 business days
  
• Other regions: 15-45 business days
  

Delivery times may vary due to carrier delays, customs clearance, or local delivery conditions.

🚚 Shipping Information

Processing Time:

Orders are usually processed within 1-2 business days after payment confirmation.

Shipping Method:

• USA orders: For eligible US orders, products are fulfilled from our US warehouse network and shipped via USPS, UPS, or FedEx.
  
• International orders: Shipped via reliable international carriers
  

Tracking:

A tracking number will be emailed after shipment. You can track your order through carriers such as USPS, UPS, FedEx, DHL, or 17TRACK.

📦 Order Issues

If your package arrives damaged, incorrect, missing items, or significantly delayed:

Please contact us with:

• Order number
  
• Photos/videos of the package and product
  
• Description of the issue
  

Our team will review and provide a solution as quickly as possible.

🔄 Returns & Warranty

We accept returns within 30 days after delivery.

To be eligible for a return:

• Item must be unused, uninstalled, and in original condition
  
• Must include original packaging and all accessories
  

⚠️ Installed, used, or tested parts are not eligible for return unless there is a confirmed manufacturing defect.

For return requests, please contact us first with your order number, product details, and photos (if applicable).

📧 info@auceramic.com

Warranty Coverage:

✔ Manufacturing defects

✔ Shipping damage

Not covered:

✘ Improper installation

✘ Misuse or modification

✘ Incorrect vehicle application

💬 Fitment Support

Not sure if this part fits your vehicle?

Send us your year, make, model, engine size, and VIN (if available). Our team will help confirm compatibility before purchase.

📧 info@auceramic.com