Sta-Rite (Dura-Glas, Max-E-Glas) Pump Lid Replacement O-Ring. (U9-229) (O-218) SAVES YOU MONEY! This Generic Pump Lid Replacement o-ring offers perfect fit and high quality Buna Specs equal to OEM requirements without high pricing thereof. SAVES YOU MONEY! Fits: Sta-Rite (Dura-Glas, Max-E-Glas) Part numbers: (U9-229) (O-218)