Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:DB150 230-50 (PF640010000Z),DBT150 3x400-50 (PF640010040Z),DB100 230-50 (PF640020000Z),DBT100 3x400-50 (PF640020040Z),DB150 G 230-50 (PF641010000Z),DB100 G 230-50 (PF641020000Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.