Genuine Bosch carbon-brush set — part 1617014138 — designed as the direct replacement brush set for Bosch demolition hammers and heavy-duty rotary hammers.

The set contains two carbon brush blocks with flexible lead wires (sold as a pair); it restores reliable electrical contact at the commutator and helps stop excessive sparking or intermittent power.

Typical carbon-block dimensions are approximately 22.5 × 12.5 × 6.3 mm (L × W × H), matching the delivery blocks used in the GBH/GSH/RH series.

Fits (examples) — Bosch models where this brush set is commonly used: 11240, 11247, 11387, 11388, GBH 5‑38 / GBH5‑38D / GBH5‑40D and GBH5‑38X / GBH538X / GBH5400 ), GSH388 / GSH388X, RH540M / RH540S. (Cross reference with the 10 digit product code from the side of the machine to confirm fit before purchasing)

Easy to install with basic hand tools — replace both brushes at the same time for best results.

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