part 66080370 Packing retainer Ø18 Interpump code 66080370 Details Interpump number66080370 DescriptionPacking retainer Ø18 ItalianANELLO DI FONDO D.18Qty per pump3 Fits these pumps Interpump 66 series 8 T3021T3025W3018W3021W3521W3523W4021WK5021