Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:MN80-160C 400/690-50 20HP IE3 (QF420175060Z),MN80-160C 230/400-50 IE3 20HP (QF420175040Z),MN80-160C 400/690-50 20HP IE3 (QF420175060Z),MN80-160B 230/400-50 IE3 25HP (QF420255040Z),MN80-160B 400/690-50 25HP IE3 (QF420255060Z),MN80-160A 230/400-50 IE3 30HP (QF420305040Z),MN80-160A 400/690-50 30HP IE3 (QF420305060Z),MN65-160A 230/400-50 IE3 20HP (QF410175040Z),MN65-160A 400/690-50 20HP IE3 (QF410175060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.