Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:SD450/3 230-50 IE2 (QF060160000Z),MN40-160B 230-50 IE2 4HP (QF070105000Z),MN40-160A 230-50 IE2 5,5HP (QF070115000Z),SC400 230-50 IE2 (QF390050000Z),KM400 230-50 IE2 (QF030100000Z),KB400 230-50 IE2 (QF040210000Z),KB400/1 230-50 IE2 (QF040210100Z),KB550 230-50 IE2 (QF040220000Z),KB550/1 230-50 IE2 (QF040220100Z),SD450/4 230-50 IE2 (QF060150000Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.