Makita PISTON RING - 021132230
Original Makita piston ring — part 021132230 — for restoring piston-to-cylinder sealing on compatible two-stroke Makita/Dolmar saws and trimmers. This genuine Makita piston ring is the exact replacement ring called out in Makita parts lists and is specified with a 40 mm cylinder/ piston size, so it restores compression and reduces blow‑by when the original ring is worn or damaged.
Fits (examples): Makita DCS340, DCS400,DCS410, DCS430, DCS431 and the DBC4010 brush/clearing saw — Use this part number to confirm fit with your model before installation.
Supplied as the single piston ring specified by Makita; install carefully following service instructions to ensure correct ring end‑gap and piston orientation for reliable engine performance.
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Compatible models this part will fit:
