Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FM250-4T 3x230-50 (PF650425030Z),FM250-4T 3x400-50 (PF650425040Z),FM300-4T 3x230-50 (PF650430030Z),FM300-4T 3x400-50 (PF650430040Z),FM400-4T 3x230-50 (PF650440030Z),FM400-4T 3x400-50 (PF650440040Z),FV250-4T 3x230-50 (PF660425030Z),FV250-4T 3x400-50 (PF660425040Z),FV300-4T 3x400-50 (PF660430040Z),FV400-4T 3x400-50 (PF660440040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.