The utility model especially relates to an auto radiator with disconnect -type filler. This auto radiator with disconnect -type filler, including core, hydroecium and main leaf, the core is the cooling tube and dispels the heat taking the assembly of interval arrangement, and insert respectively in left main leaf and the youzhu piece at the both ends of controlling of the cooling tube of core, the left side main leaf outside is provided with left hydroecium, is provided with right water chamber outside the youzhu piece, cooling tube and left hydroecium, right water chamber forms the cavity of a sealed intercommunication, the inlet opening of left side hydroecium is connected with the disconnect -type filler. This auto radiator with disconnect -type filler adopts disconnect -type filler structure, can guarantee the filler size, prevents dimension error, is convenient for realize batch production, has improved the commonality of product greatly, and simultaneously, batch production can also effectively improve the product percent of pass, effectively reduces mould input, has saved production and maintenance cost, has improved production efficiency, the suitable popularization and application.