part 1789271 Head assembly Annovi Reverberi code 1789271 Details Annovi Reverberi number1789271 DescriptionHead assembly ItalianPremontaggio testaQty per pump1 Fits these pumps Annovi Reverberi SXM 1 SXM 11.20 C code 21375 Annovi Reverberi SXMA 2 SXMA 3.5G30 NSXMA 3G30 N