Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:PLUS-SA P 5AS-120/4T 230/400-50 (PF540504240ZX),PLUS P 3-120/6 230-50 (PF500306000ZX),PLUS P 3-120/6T 230/400-50 (PF500306040ZX),PLUS-S P 3S-120/6 230-50 (PF500306200ZX),PLUS-S P 3S-120/6T 230/400-50 (PF500306240ZX),PLUS P 5-180/6 230-50 (PF500506000Z),PLUS P 5-180/6T 230/400-50 (PF500506040Z),PLUS-S P 5S-180/6 230-50 (PF500506200Z),PLUS-S P 5S-180/6T 230/400-50 (PF500506240Z),PLUS-SA P 3A-90/4 230-50 (PF540304000ZX),PLUS-A P 3A-90/4T 230/400-50 (PF540304040ZX),PLUS-SA P 3SA-90/4 230-50 (PF540304200ZX),PLUS-SA P 3SA-90/4T 230/400-50 (PF540304240ZX),PLUS-A P 5A-120/4 230-50 (PF540504000ZX),PLUS-A P 5A-120/4T 230/400-50 (PF540504040ZX),PLUS-SA P 5SA-120/4 230-50 (PF540504200ZX),PLUS-SA P 5AS-120/4T 230/400-50 (PF540504240ZX)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.