Gaggia/Saeco Original Spare Part - 140321861 O-Ring Black for Brew Unit - NM02.007 Gaggia/Saeco Original Part - Black O Ring for Brew Unit - 140321861, NM02.007, 996530059441, 996530013467, 9965-300-13467, Works with: HD8943, HD8953, RI9828, RI9833, RI9836, RI9837 Works with: HD8944, HD8946, HD8954, HD8743, HD8745, HD8747 Works with: HD8753, HD8750, HD8755, HD8838, RI9718, RI8177