Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:KB550/1 230-50 IE2 (QF040220100Z),KB550/1T 230/400-50 IE3 (QF040220140Z),KB550/1T 400/690-50 IE3 (QF040220160Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.