part 36310451 Valve guide Interpump code 36310451 Details Interpump number36310451 DescriptionValve guide ItalianGuida valvolaQty per pump1 Fits these pumps Interpump 53 E1 series 3 E1D1835E1E1811E1E2111 Interpump 53 ET1 brass series 2 ET1D1835ET1E1811