AR2546 Ceramic Piston Kit (18mm, 3-Pack)

OEM ceramic piston kit for Annovi Reverberi RK, RKA, RKV, XRV, XRCA, and XRCV Series pumps with 18mm plungers. Kit includes 3 ceramic pistons (18mm x 40mm, 11mm ID), 3 nuts, 3 washers, 3 spacers, 3 O-rings, and 3 back-up rings. Replace cracked or worn pistons to extend pump life and prevent pump damage. Cross-references: 8.720-633.0, 87206330, Kit 2546, Kit A2546, 193990GS.