Core Dimensions: 275 x 154 x 42 mm; Material: Plastic, Aluminium; Connection Diameter 1 [mm]: 18; Inlet Diameter 1 [mm]: 18; AUDI: A6 Avant (4B5, C5),100 Limousine (44, 44Q, C3),A6 Limousine (4B2, C5),100 Limousine (4A2, C4),A6 Avant (4A5, C4),A6 Limousine (4A2, C4),100 Avant (4A5, C4),100 Avant (44, 44Q, C3),V8 (441, 442, 4C2, 4C8),200 Limousine (44, 44Q),200 Avant (44, 44Q),100 (43, C2),200 (43),100 Avant (43, C2); 443819030, 443819031B, 443819031C; Heater Core,Heat Exchanger, interior heating