part 2282200 Piston guide Ø 20 Annovi Reverberi code 2282200 Details Annovi Reverberi number2282200 DescriptionPiston guide Ø 20 ItalianGuida pistone anteriore Ø 20Qty per pump3 Fits these pumps Annovi Reverberi JK 1 JK 18.16 H N