Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18-400/4T 230/400-50 IE3 (QF500184040Z),P 18S-400/4T 230/400-50 IE3 (QF500184240Z),P 7-300/6 230-50 IE2 (QF500706000Z),P 7S-300/6 230-50 IE2 (QF500706200Z),P 7-350/7T 230/400-50 IE3 (QF500707040Z),P 7S-350/7T 230/400-50 IE3 (QF500707240Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.