service kit: other kits KIT 43618 Plunger guide kit Annovi Reverberi code 43618 In the kit Part numberDescriptionPosition 4180210Piston guide18 4180200Piston guide20 Fits these pumps Annovi Reverberi RTD 1 RTD 200.100 Annovi Reverberi RTD-L 1 RTD-L 160.100