The core is welded in vacuum brazing furnace, no epoxy. The tank is welded by TIG. Picture is loading, please wait..We will arrange a replacement asap after the item sent. The item "Aluminum radiator +fans for OPEL Astra G MK4 GSI SRI & Vauxhall Zafira 2.0 Turbo" is in sale since Thursday, June 23, 2016. This item is in the category "Vehicle Parts & Accessories\Car Parts\Engine Cooling\Radiators". The seller is "worley2013" and is located in Shanghai . This item can be shipped to European Union member countries.