Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 7V-550/10T 400/690-50 IE3 (QF510710060Z),P 18L-550/6T 400/690-50 IE3 (QF810186060Z),P 18SL-550/6T 400/690-50 IE3 (QF810186260Z),P 9SL-550/10T 400/690-50 IE3 (QF810910260Z),MN40-160A 400/690-50 IE3 5,5HP (QF070115060Z),MN32-200C 400/690-50 IE3 5,5HP (QF110115060Z),SC550T 400/690-50 IE3 (QF390060060Z),MN50-125A 400/690-50 IE3 5,5HP (QF400115060Z),KM550T 400/690-50 IE3 (QF030110060Z),KB550T 400/690-50 IE3 (QF040220060Z),KB550/1T 400/690-50 IE3 (QF040220160Z),SD550/4T 400/690-50 IE3 (QF060110060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.