424058-9 supersedes older part numbers: 421093-8, 421646-3
Original Makita cork‑rubber backing plate — part no. 424058-9 — designed to replace the worn cushioning plate under the abrasive on compatible Makita belt sanders.
Precision-cut to fit the factory base (approximately 173 × 111 mm) and supplied as the cork-backed rubber pad used to support the sanding belt (nominal thickness around 1.5 mm in service listings).
Fits a number of Makita belt sander models, for example 9401, 9402 and 9403 — an exact-fit replacement that restores even belt contact and reduces chatter and premature abrasive wear.
If your sander’s backing is torn, compressed or missing the cork layer, this genuine Makita plate 424058-9 is the direct replacement listed in Makita spare parts documentation and will reinstall quickly to bring the machine back to smooth service.
Jump straight to the Makita spare parts diagrams:
Browse our full range of Makita sander parts.
