Original Makita 213572-8 — O‑ring "44" (nominal 44 mm). A genuine Makita rubber sealing ring used in the piston/cylinder area of Makita demolition hammers HM1304 / HM1304B parts breakdown as the cylinder/piston seal). It’s supplied as a single replacement O‑ring to restore proper compression and grease retention in the cylinder/striker assembly. Compatible models: Makita HM1304 and HM1304B.
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