Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FV400T 3x400-50 (PF660240040Z),FC410T 3x400-50 (PF670280040Z),FTR400T 3x400-50 (PF680240040Z),FM410T 3x400-50 (PF650240040Z),FV400T 3x400-50 (PF660240040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.