part 66040209 Pistone Ø16 x 54 Interpump code 66040209 Details Interpump number66040209 DescriptionPistone Ø16 x 54 ItalianPISTONE D.16X54Qty per pump3 Fits these pumps Interpump 66 series 9 T4018T5015T5018W4015W4018W4518W5015W5018WK6015