Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:BMVC-6/37 400/690-50 IE3 (QF700036060Z),BMHC-6/37 400/690-50 IE3 (QF710036060Z),4BMVD-6/7,5 400/690-50 MOT. IE3 4P  (PF700446060ZIE3)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.