Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:PLUS P 9-200/4 230-50 (PF500904000Z),PLUS-S P 9S-200/4-V 230-50 (PF500904200ZVT),PLUS-S P 9S-200/4 230-50 (PF500904200Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.