On this parts fiche the Seal is the most specified component.
This schematic depicts all components used in the Gsxr750 2014 (l4) Usa (e03) Throttle Body Hose/joint (gsx-r750l4 E33) partslist.
Parts such as the Throttle Body Hose/joint (gsx-r750l4 E33): Hose, Nipple, Nipple Assy, 3way,vacuum Hose are included in the Gsxr750 2014 (l4) Usa (e03) Throttle Body Hose/joint (gsx-r750l4 E33) parts fiche.