Makita 324639-8 — Coupling (genuine Makita replacement)
Compact coupling designed to restore reliable torque transfer inside Makita die grinders. It seats on the spindle (324638‑0) and sits between the bearing and spacer inside the gear housing, replacing the coupling to keep the rotor/shaft connection true and vibration-free.
Fits a range of Makita die grinders, including GD0600 / GD0601 corded models and the M9100 and DGD800/BGD800 series cordless die grinders . Check your tool’s parts diagram for the same part number to confirm fit.
Physical note: the coupling is very small — vendors list its outer dimensions at about 0.75 in (≈19 mm) in each direction and it is supplied as a single replacement coupling ready to install.
This is a genuine Makita part number 324639‑8; ideal when you need the exact fit component to restore smooth operation of your grinder.
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