Abstract: A cartridge water gasket for use in an endothermal engine-powered water pump for isolating wet and dry sections of the pump, which includes an annular frame located in an annular space between the axle and the inner wall of the pump body, and having an external frame part fixed to the inner wall and an internal frame part secured on the axle for joint rotation therewith, and first and second sealing elements located in the frame cavity, secured to the external frame part, and having sealing surfaces sealingly engaging an inner surface of the internal frame part.