Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 5SLG-450/16T 230/400-50 IE3 (QF8500516240Z),P 5SLG-550/18T 230/400-50 IE3 (QF8500518240Z),P 7SLG-800/14T 400/690-50 IE3 (QF8500714260Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.