Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FV550T 3x400-50 (PF660255040Z),FC560T 3x400-50 (PF670290040Z),FTR550T 3x400-50 (PF680255040Z),FM560T 3x400-50 (PF650256040Z),FV550T 3x400-50 (PF660255040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.