Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18V-750/8T 400/690-50 IE3 (QF510188060Z),P 18V-750/8T 230/400-50 IE3 (QF510188040Z),P 18V-750/8T 400/690-50 IE3 (QF510188060Z),P 18SV-750/8T 400/690-50 IE3 (QF510188260Z),P 9V-550/10T 230/400-50 IE3 (QF510910040Z),P 9SV-550/10T 230/400-50 IE3 (QF510910240Z),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 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 18SLX-750/8T 400/690-50 IE3 (QF820188260Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.