part 66120041 Pump head (piston Ø20) Interpump code 66120041 Details Interpump number66120041 DescriptionPump head (piston Ø20) ItalianTESTATA POMPA PISTONE D.20Qty per pump1 Fits these pumps Interpump 66 series 5 T2530T2535T2830W2525W3025