Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 18V-900/9T 230/400-50 IE3 (QF510189040Z),P 18V-900/9T 400/690-50 IE3 (QF510189060Z),P 18SV-900/9T 400/690-50 IE3 (QF510189260Z),P 18L-900/9T 400/690-50 IE3 (QF810189060Z),P 18SL-900/9T 400/690-50 IE3 (QF810189260Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.