Support blade lawn mower ggp-versions-to engine Honda. For lawn mowers Models: BT6553 THExcel 50SH, Excel 50SQHExcel 55S4Q, Excel 55SVQH (Not all models are listed above) Height: 66mm Shaft diameter: 25mm Outer diameter: 58mm Other reference: 122465639/1 Don't hesitate to contact us for any information. Original manufacturer part.