Original Bosch shaft seal — part no. 1610283019. This is a radial-lip (rotary) shaft/oil seal made to Bosch specification to stop grease or oil from leaking out of the gearbox and to keep dust and concrete slurry away from the drive internals.

Fits various Bosch rotary-hammer/hammer-drill designs — example models that use this seal include GBH 2‑24 DS (and related GBH 2‑24 variants), PBH 2900 FRE, PBH 2800/3000 series and several GBH 2000 / GBH 2‑20 tools. Use this part when the shaft seal is worn, leaking, or allowing contamination into the gearbox; it’s a direct-replacement Bosch shaft seal for those models.

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