Motorcycle Engine Filter OEM 29400078 Fit For Harley XG500 Street 30 CI XG750 Street 46 CI Replacement Parts Fit For XG500 Street 30CI XG750 Street 460CI cross oem number 294590-55136 294591-49136 cleaner assembly; filter airbox inner frame layout slip-in insert mounting design; fits airbox directly without or extra fixing gaskets multi-layer filter medium blocks road dust grit; maintains stable airflow for consistent engine power output reinforced integrated filter support frame; evenly distributed filter ; steady filtration density under long highway vibration cut to airbox internal dimension; tight edge contact to unfiltered bypass into engine