Brand New Genuine Hydro Gear ZC-DUBB-3D8C-2WPX Hydrostatic LH Transaxle EZT… Genuine Hydro Gear Part # ZC-DUBB-3D8C-2WPX Genuine OEM Hydro Gear Part. Brand New Genuine Hydro Gear ZC-DUBB-3D8C-2WPX Hydrostatic LH Transaxle EZT.. Genuine Hydro Gear Part # ZC-DUBB-3D8C-2WPX. Genuine OEM Hydro Gear Part.