Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FC750T 230/400-50 (PF670275040Z),FTR1000T 230/400-50 (PF680210040Z),FTR750T 230/400-50 (PF680275040Z),FM1000T 230/400-50 (PF650210040Z),FM550-4T 230/400-50 (PF650455040Z),FM750-4T 230/400-50 (PF650475040Z),FV1000T 230/400-50 (PF660210040Z),FV750T 230/400-50 (PF660275040Z),FV750-4T 230/400-50 (PF660475040Z),FC1000T 230/400-50 (PF670210040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.