Makita O RING BO4555/BO3710/3711 - 213983-7

Genuine Makita 213983-7 — rubber O‑ring, nominal 4 mm size, designed as a direct replacement seal for Makita finishing/orbital sanders.

This small sealing ring restores proper fit and vibration sealing in the sander’s head assembly — ideal when a worn or torn seal is letting dust or motor oil into moving parts. Fits a range of Makita sanders, for example BO3710, BO3711, BO4555, BO4556, BO4566 and BO4557.

A practical spare among power tool parts, the 213983-7 is the original Makita O‑ring 4 used in factory parts lists and service diagrams, so you can replace the damaged seal and get the tool back to proper operation quickly.

Jump straight to the Makita spare parts diagrams:

• Makita 3710 Parts
• Makita 3711 Parts
• Makita BO3700 Parts
• Makita BO3710 Parts
• Makita BO3711 Parts
• Makita BO4555 Parts
• Makita BO4556 Parts
• Makita BO4557 Parts

Browse our full range of Makita sander parts.