part 66100951 Head ring Ø22 h.p. Interpump code 66100951 Details Interpump number66100951 DescriptionHead ring Ø22 h.p. ItalianANELLO DI TESTA D.22 H.P.Qty per pump3 Fits these pumps Interpump 59 C3W series 1 C3W2021 Interpump 59 E3 series 8 E3A1515E3A1713E3A2113E3A2115E3B1021E3B1218E3B2118E3B2121