Makita 421763-9 — Rubber Guard (original Makita)
Genuine Makita replacement rubber guard (part no. 421763-9) designed for Makita random-orbit sanders. This flexible rubber ring fits the base/guard area of the sander to protect the sanding pad edge and maintain the correct spacing between the pad and skirt; it installs in place on the backing-plate assembly and is sold as an individual replacement part. Fits Makita BO6040 and BO6030 models (listed in Makita parts breakdowns).
Jump straight to the Makita spare parts diagrams:
Browse our full range of Makita sander parts.
