Original Makita Feeder Box Assembly — part 125809-0. This genuine Makita feeder box unit is the complete feeding module used on Makita 18V LXT autofeed screwdrivers and is listed in Makita parts lists as the FEEDER BOX ASS'Y.

The assembly houses the internal guide box, boxcover, wheel/ratchet and the associated springs and pins that control collated‑screw advance (those subcomponents are shown as included in the feeder box assembly on the Makita parts diagram).

Fits Makita BFR540 / BFR550 / DFR450 and DFR500 autofeed screwdriver models (and like-models that share the same feeder assembly).

Designed to work with the tool’s collated‑screw range (approximately 25–54 mm screw length), so replacing this unit restores proper feeding, reduces jams and gets your screwdriver back to consistent performance.

A straightforward repair part for technicians and DIYers who need a single replacement — listed among Makita parts as the factory feeder box and suitable when servicing parts for power tools.

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