part 3660130 Piston Ø 36 Annovi Reverberi code 3660130 Details Annovi Reverberi number3660130 DescriptionPiston Ø 36 ItalianPistone Ø 36Qty per pump3 Also comes in KIT 42839 Plunger kit, Ø36 mm Fits these pumps Annovi Reverberi RTX 1 RTX 100.120 N Annovi Reverberi RTX-SS 1 RTX-SS 100.100 N