Makita 450733-1 — Filter cover (original Makita). Replacement filter cover designed to restore the tool’s dust/air intake sealing and hold the internal filter in place. Durable factory-fit cover, identical to the part used on the original tool and finished to match Makita housings.

Fits these Makita models : GN900SE, GN900 and GN420C.

Quick installation details: this cover secures the element shown as part 162270-0 and is retained with three tapping screws (5 x 25 mm) on the GN900 / GN420C — straightforward to swap when the original cover is cracked, warped, or missing.

If you need the exact replacement part by number, order Makita 450733-1 (Filter Cover) to restore proper fit and function.