part 2980290 Guide Ø 20 Annovi Reverberi code 2980290 Details Annovi Reverberi number2980290 DescriptionGuide Ø 20 ItalianGuida pistone anteriore Ø 20 PistonQty per pump3 Also comes in KIT 43621 Plunger guide kit Fits these pumps Annovi Reverberi RG 1 RG 24.20 N