part 1942810 Piston guide Ø 22 Annovi Reverberi code 1942810 Details Annovi Reverberi number1942810 DescriptionPiston guide Ø 22 ItalianGuida pistone anteriore Ø 22Qty per pump3 Fits these pumps Annovi Reverberi WHW 4 WHW 15.20 NWHW 21.15 NWHW 26.15 NWHW 32.20 N