part 47040909 Pistone Ø28 x 50 Interpump code 47040909 Details Interpump number47040909 DescriptionPistone Ø28 x 50 ItalianPISTONE D.28x50Qty per pump3 Fits these pumps Interpump 47 series 4 TS1044TS1050WS1036WS1040