ORIGINAL WALBRO K10-HDB CARBURETTOR REPAIR KIT FOR CARBURETTOR MODELS : HDB-1-1,HDB-2-1,HDB-3-1, HDB-4-1,HDB-5-1,HDB-6-1,HDB-7-1, HDB-8-1,HDB-9-1,HDB-10-1, HDB-11-1,HDB-12-1, HDB-13-1,HDB-17-1, HDB-18-1,HDB-19-1 Original part number : R122319 Original part number : K10-HDB CZ