Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FM410T 3x400-50 (PF650240040Z),FM560T 3x230-50 (PF650256030Z),FM560T 3x400-50 (PF650256040Z),FV400T 3x230-50 (PF660240030Z),FV400T 3x400-50 (PF660240040Z),FV550T 3x230-50 (PF660255030Z),FV550T 3x400-50 (PF660255040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.