The invention relates to a filter cartridge (1) which is provided as a replaceable cartridge in an oil filter of an internal combustion engine and a corresponding oil filter. The oil filter comprises a filter housing (3) which can be separated along a parting plane (2) and the replaceable filter cartridge (1). Two housing parts (4, 5) of the filter housing (3) are sealed off from each other alongthe parting plane (2) by means of a seal (6). The seal (6) is attached to the filter cartridge (1) in such a way that it cannot be lost.