Makita 126398-8 — genuine Makita gear assembly designed for the DBN500 brad nailer.
This complete, pre‑assembled gearbox contains precision‑cut steel gears, hardened shafts and sealed bearings so the drive from the motor is transferred smoothly to the firing mechanism, restoring correct gear mesh and eliminating excessive play or grinding.
Compatibility: direct‑fit for Makita DBN500 finishing / brad nailer variants — the assembly is listed in the DBN500 parts breakdown as part number 126398‑8.
The DBN500 platform is the 18 V LXT 18‑gauge brad nailer that accepts 15–50 mm brads, so replacing the gearbox with this original Makita unit returns the machine back to working order.
If you need a reliable replacement to get your tool back into service, this genuine Makita gear assembly (part 126398‑8) is the direct, drop‑in solution most technicians use when the gearbox is worn. Makita parts like this are commonly requested when repairing nailer drive systems, and it’s a straightforward repair option among standard power tool parts.
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