The Fel-Pro 35064 Engine Coolant Outlet Gaskets is a direct replacement thermostat seal made of paper material with an opening temperature of 0 degrees. It includes a gasket and does not come with mounting hardware. This product is manufactured by Fel-Pro in the United States and is designed for engine cooling components in cars and trucks. It is an OE/OEM part number 35064 and does not come with a manufacturer warranty. Additionally, the product is compliant with California Prop 65 regulations concerning chemicals known to cause cancer, birth defects, or reproductive harm.