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 7V-400/8T 230/400-50 IE3 (QF510708040Z),P 7SV-400/8T 230/400-50 IE3 (QF510708240Z),P 5L-120/4T 230/400-50 (PF810504040ZX)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.