Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18V-450/5T 230/400-50 IE3 (QF510185040Z),P 18SV-450/5T 230/400-50 IE3 (QF510185240Z),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 18SLX-450/5T 230/400-50 IE3 (QF820185240Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.