Carburettor Float Bowl O-Ring Seal for Atco Balmoral 14s, 14se, 17s, 17se, 20s, 20se, Qualcast Classic 35s, 43s, Suffolk Punch 14s, 17s Mowers with AQ148 Aluminium 148cc Engines withTecumseh Carburettors only from year 1995 onwards, not for other carburettors.