Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 5V-350/11 230-50 IE2 (QF510511000Z),P 5V-350/11T 230/400-50 IE3 (QF510511040Z),P 5SV-350/11 230-50 IE2 (QF510511200Z),P 5SV-350/11T 230/400-50 IE3 (QF510511240Z),P 5L-350/11 230-50 IE2 (QF810511000Z),P 5L-350/11T 230/400-50 IE3 (QF810511040Z),P 5SL-350/11 230-50 IE2 (QF810511200Z),P 5SL-350/11T 230/400-50 IE3 (QF810511240Z),P 5SLX-350/11T 230/400-50 IE3 (QF820511240Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.