part 4040160 Piston guide Ø 36 Annovi Reverberi code 4040160 Details Annovi Reverberi number4040160 DescriptionPiston guide Ø 36 ItalianGuida pistone anteriore Ø 36Qty per pump3 Also comes in KIT 43765 Plunger guide kit, Ø36 mm Fits these pumps Annovi Reverberi RTX-SS 1 RTX-SS 100.100 N