Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:PLUS P 3-50/2 230-50 (PF500302000ZX),PLUS-S P 3S-50/2-V 230-50 (PF500302200ZXVT),PLUS P 3S-50/2 230-50 (PF500302200ZX),KM45 230-50 PF030120000ZXWe sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.