Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18V-400/4T 230/400-50 IE3 (QF510184040Z),P 18SV-400/4T 230/400-50 IE3 (QF510184240Z),P 18L-400/4T 230/400-50 IE3 (QF810184040Z),P 18SL-400/4T 230/400-50 IE3 (QF810184240Z),P 18SLX-400/4T 230/400-50 IE3 (QF820184240Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.