Convenient-to-replace filter for automobile engine

The utility model discloses a convenient-to-replace filter for an automobile engine, which belongs to the technical field of automobile engine parts and comprises a bottom plate, a sealing cover and a mounting box, the mounting box is arranged at the top of the bottom plate in a matched manner, the sealing cover is arranged outside the bottom plate, a quick mounting structure is arranged on the inner side of the bottom plate, and an air filter is placed in the mounting box. Magnetic sealing blocks are installed at the two ends of the outer side of the air filter, and a metal fixing groove is formed in the upper portion of the inner wall of the installation box. The top plate connected through the spring is arranged, and the fool-proof wedging block and the fool-proof wedging groove are wedged, so that the top of the mounted air filter can be fixed, and the air filter is prevented from moving in the running process of an automobile to influence interception of dust at an air inlet; and the magnetic sealing blo