Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:MN100-160B 400/690-50 IE3 40HP (QF430405060Z),MN100-160A 400/690-50 IE3 50HP (QF430505060Z),MNG100-200A-B MOT.55kW 2P 400/690-50 IE2 (PF430156360ZSL-A),MA100-200A 50Hz (PF43015),MNG100-200B + MO.45kW IE2 (PF430166360ZSL-A),MA100-250A 50Hz (PF43020),MA100-250B 50Hz (PF43021),MA100-250C 50Hz (PF43022),4MA100-315A 50Hz (PF43025),4MA125-315A 50Hz (PF44025)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.