Original Bosch carbon-brush set — part number 1617014137 — designed to replace the worn brushes in Bosch demolition/rotary hammers. Fits models such as GSH 3, GSH 3 E and GBH 3‑28E, and is supplied as a pair for both commutator connections. The brushes are graphite/carbon blocks sized 5 × 10 × 23 mm with a side-mounted terminal (side tab) for a direct drop‑in fit to the brush holders; engineered for low sparking and long service life.

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