Makita 458399-1 — original Makita protector. This molded guard snaps into the gear/housing area to shield internal linkages and the switch assembly, a direct replacement listed in the GHU series parts diagram.
Fits several hedge-trimmer and hedge-shears from Makita — examples include GHU01/02/03 series and XHU07/08 variants, as well as DUH501, DUH502, DUH601/602 and DUH752.
If your tool shows a cracked or missing protector where the gear housing meets the handle, this genuine Makita replacement restores the original coverage and helps prevent debris entry and further wear. This is one of the small Makita parts that makes appliance-level repairs practical for longer tool life while keeping your parts for power tools inventory minimal.
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