Makita O RING 28 HM1110/1111/1110C - 213415-4

Original Makita 213415-4 — a 28 mm O‑ring sealing gasket (black rubber) designed to restore reliable seals in affected housings and cylinders.

Precisely sized for a direct fit, it helps stop oil/air leaks and maintain compression where the original seal has worn or cracked.

Example fitment listed in Makita parts diagrams includes demolition hammers and several handheld models — for example HM1100C / HM1130 / HM1140C, HR3200C, HR3540C, and some belt sanders and circular saws such as 9403, 9921 and 5005BA. Check your tool’s parts breakdown for item 213415-4 to confirm fit.

Sold as an original Makita replacement seal, this O‑ring is an inexpensive, easy-to-install fix to return worn tools to proper operation without modifying components.

Note: the listing of compatible models above is representative; consult your tool’s illustrated parts list to verify that your model uses part number 213415-4 before ordering.

Jump straight to the Makita spare parts diagrams:

• Makita 403 Parts
• Makita 9403 Parts
• Makita HM1100C Parts
• Makita HM1130 Parts
• Makita HM1140C Parts
• Makita HR3200C Parts
• Makita HR3540C Parts

Browse our full range of Makita circular saw parts. Makita hammer drill parts. Makita sander parts.