Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:MN65-250B 400/690-50 IE3 40HP (QF410405060Z),MN80-200B 400/690-50 IE3 40HP (QF420405060Z),MN100-160B 400/690-50 IE3 40HP (QF430405060Z),BMVC-5/30 400/690-50 IE3 (QF700035060Z),BMVD-4/30 400/690-50 IE3 (QF700044060Z),BMHC-5/30 400/690-50 IE3 (QF710035060Z),BMHD-4/30 400/690-50 IE3 (QF710044060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.