Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:PLUS P 5-70/2 230-50 (PF500502000ZX),PLUS P 5-70/2T 230/400-50 (PF500502040ZX),PLUS-S P 5S-70/2 230-50 (PF500502200ZX),PLUS-S P 5S-70/2T 230/400-50 (PF500502240ZX)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.