Hypro Hydraulic Motor Driven Centrifugal Pumps Replacement Spare Parts, 9300 Series. Hypro Hydraulic Motor Seal Repair Kit 3430-0748, Hypro Centrifugal Pump Non Self Priming Vent Line Kit 3430-0456, Hypro 3430-0332 Mechanical Seal Kit for 9303C/S Pump, Hypro 2120-0009 5/8" Mechanical Seal Ceramic/Viton.