The Air Filter TA040-93230 87682998 AF25575 146-7172 Application For Caterpillar 301.5(Caterpillar 3003 13kW 18hp E4; E5 eng). 301.5(Perkins 3003 eng). 301.5; 301.6; 301.8(Unspecified eng).Kubota 1140CPX-RTV(Unspecified eng). B4200D(Unspecified eng).