Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:SC300 230-50 IE2 (QF390040000Z),SC300T 230/400-50 IE3 (QF390040040Z),SC400 230-50 IE2 (QF390050000Z),SC400T 230/400-50 IE3 (QF390050040Z),SC400T 400/690-50 IE3 (QF390050060Z),SC550T 230/400-50 IE3 (QF390060040Z),SC550T 400/690-50 IE3 (QF390060060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.