Makita 213321-3 — Fluoro‑carbon resin ring, 20 mm. Original Makita fluoro‑carbon resin sealing/thrust ring (part no. 213321-3) manufactured for the cylinder/impact assembly of Makita SDS rotary hammers; the low‑friction, wear‑resistant resin helps preserve mating metal surfaces and maintain smooth piston/bolt movement.
Fits a number of Makita corded rotary‑hammer models — for example HR3000C, HR3200C, HR3210C and HR3210FCT — as the direct replacement ring used in the cylinder/tool‑holder area. This original Makita part is the correct choice if you need a drop‑in replacement to restore sealing and reduce internal wear.
Compact and application‑specific (marked as “Ring 20” in Makita parts listings), it’s the small but critical component that keeps the hammer’s impact mechanism operating reliably — a handy item to have when working on repairs or stocking genuine Makita spare parts.
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