Genuine Briggs and Stratton 450e, 500e, 550e, 550ex, 625ex, 675ex 725ex Fuel CapBriggs & Stratton Fuel Cap 1/4 Turn, Also Fits Professional 7.75 & 8.75 SeriesFits Some* 500E, 550EX, 625E, 675EX, 725EX Series EnginesThere are three different fuel caps that fit these models.See also ..