Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:BMVA-3/5,5 400/690-50 IE3 (QF700013060Z),BMVA-4/7,5 230/400-50 IE3 (QF700014040Z),BMVA-4/7,5 400/690-50 IE3 (QF700014060Z),BMVA-5/9,2 230/400-50 IE3 (QF700015040Z),BMVA-5/9,2 400/690-50 IE3 (QF700015060Z), BMVA-6/11 400/690-50 IE3 (QF700016060Z),BMVA-8/15 230/400-50 IE3 (QF700018040Z),BMVA-8/15 400/690-50 IE3 (QF700018060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.