The tank is welded by TIG. We will arrange a replacement asap after the item sent.The item "Air to water aluminum intercooler liquid heat exchanger" is in sale since Monday, June 11, 2018. This item is in the category "Vehicle Parts & Accessories\Car Parts\Engine Cooling\Heat Exchangers". The seller is "worley2013" and is located in Kacov . This item can be shipped to European Union member countries.