Makita 213482-9 — original Makita O‑ring (size 34)
Description:
This is the original Makita 213482-9 O‑ring (listed as “O‑Ring 34”), a molded black rubber seal used in the sealing assemblies of select Makita SDS‑max/rotary hammers to keep grease and air pressure where they belong and preserve reliable hammer impact.
Key details:
- Part type: O‑ring / seal part number 213482-9
- Nominal size: “34” (commonly referenced as Ø34 mm in parts lists).
- Material & purpose: durable black rubber, oil/grease‑resistant for long service life; restores airtight/grease seals in the hammer mechanism to prevent loss of impact force or grease seepage.
- Pack quantity: sold as a single replacement seal.
Example fitment (models shown in Makita parts lists):
- Makita HR5001C, HR5201C, HR5211C (also appears on parts lists for HM0870C / HR5210C in some documentation).
Why this part:
If your rotary/ demolition hammer shows audible air leaks, grease weeping, or reduced striking performance, replacing the worn 213482-9 O‑ring will often restore proper sealing and impact efficiency. It’s a small, inexpensive original Makita component that’s commonly kept among essential power tool parts for maintenance and repair.
Compatibility and installation notes:
Fits into the tool’s sealing assembly without modification; replace during routine servicing or when inspecting the piston/cylinder area. Refer to your tool’s exploded parts diagram for the exact location before installing.
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