Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:BMVA-3/5,5 400/690-50 IE3 (QF700013060Z),BMVB-3/11 400/690-50 IE3 (QF700023060Z),BMVB-3R/9,2 400/690-50 IE3 (QF700023160Z),BMHA-3/5,5 230/400-50 IE3 (QF710013040Z),BMHA-3/5,5 400/690-50 IE3 (QF710013060Z),BMHB-3/11 400/690-50 IE3 (QF710023060Z),BMHB-3R/9,2 400/690-50 IE3 (QF710023160Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.