service kit: other kits KIT 43411 Plunger guide kit, Ø18 mm Annovi Reverberi code 43411 In the kit Part numberDescriptionPosition 1942470Piston guide17 1942480Piston guide19 Fits these pumps Annovi Reverberi RGX 2 RGX 15.50 NRGX 22.50 N Annovi Reverberi RGXA 1 RGXA 4G70 N