Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:MN65-250B 230/400-50 IE3 40HP (QF410405040Z),MN65-250B 400/690-50 IE3 40HP (QF410405060Z),MN65-250A 230/400-50 IE3 50HP (QF410505040Z),MA65-250A 50Hz (PF41050),MN65-250A 400/690-50 IE3 50HP (QF410505060Z),MN80-200B 230/400-50 IE3 40HP (QF420405040Z),MN80-200B 400/690-50 IE3 40HP (QF420405060Z),MN80-200A 230/400-50 IE3 50HP (QF420505040Z),MN80-200A 400/690-50 IE3 50HP (QF420505060Z),MN100-160B 400/690-50 IE3 40HP (QF430405060Z),MN100-160A 400/690-50 IE3 50HP (QF430505060Z),MA65-250B 50Hz (PF41040),MA65-250A 50Hz (PF41050),MA80-200A 50Hz (PF42050),4MA80-315A 50Hz (PF42055),4MA100-315A 50Hz (PF43025)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.