Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18L-400/4T 230/400-50 IE3 (QF810184040Z),P 18SL-400/4T 230/400-50 IE3 (QF810184240Z),P 18L-450/5T 230/400-50 IE3 (QF810185040Z),P 18SL-450/5T 230/400-50 IE3 (QF810185240Z),P 18SL-450/5T 400/690-50 IE3 (QF810185260Z),P 18L-550/6T 230/400-50 IE3 (QF810186040Z),P 18L-550/6T 400/690-50 IE3 (QF810186060Z),P 18SL-550/6T 230/400-50 IE3 (QF810186240Z),P 18SL-550/6T 400/690-50 IE3 (QF810186260Z),P 18L-750/8T 230/400-50 IE3 (QF810188040Z),P 18L-750/8T 400/690-50 IE3 (QF810188060Z),P 18SL-750/8T 400/690-50 IE3 (QF810188260Z),P 18L-900/9T 400/690-50 IE3 (QF810189060Z),P 18SL-900/9T 400/690-50 IE3 (QF810189260Z),P 9L-300/6 230-50 IE2 (QF810906000Z),P 9SL-300/6 230-50 IE2 (QF810906200Z),P 9L-400/7T 230/400-50 IE3 (QF810907040Z),P 9SL-400/7T 230/400-50 IE3 (QF810907240Z),P 9L-450/8T 230/400-50 IE3 (QF810908040Z),P 9SL-450/8T 230/400-50 IE3 (QF810908240Z),P 9L-500/9T 400/690-50 IE3 (QF810909060Z),P 9SL-500/9T 230/400-50 IE3 (QF810909240Z),P 9L-550/10T 230/400-50 IE3 (QF810910040Z),P 9SL-550/10T 230/400-50 IE3 (QF810910240Z),P 9SL-550/10T 400/690-50 IE3 (QF810910260Z),P 18SLG-920/10T 400/690-50 IE3 (QF8501810260Z),P 18LG-1000/11T 400/690-50 IE3 (QF8501811060Z),P 18SLG-1000/11T 400/690-50 IE3 (QF8501811260Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.