part 2980280 Guide Ø 20 Annovi Reverberi code 2980280 Details Annovi Reverberi number2980280 DescriptionGuide Ø 20 ItalianGuida pistone posteriore Ø 20 PistonQty per pump3 Also comes in KIT 43621 Plunger guide kit Fits these pumps Annovi Reverberi RG 1 RG 24.20 N