Bosch 1614634006 Spare Part - Compression Spring

Genuine Bosch compression (clutch) spring — part number 1614634006 — a precision-formed steel compression spring used inside the clutch/overload assembly of Bosch rotary hammers.

This small, durable spring is the direct replacement specified for a number of Bosch SDS-plus rotary-hammer models (examples include GBH 4 DFE, GBH 4 DSC, GBH 4‑TOP and PBH 300 E), and it also appears in parts diagrams for Bosch 11236/11222-series hammers.

Designed to locate and preload clutch components so the tool’s overload and slip mechanisms operate correctly, the part installs in the clutch assembly and restores reliable engagement when the original spring has weakened or broken.

If you’re repairing a rotary hammer, this genuine Bosch 1614634006 is the specific replacement spring to match factory tolerances — a straightforward, low-complexity fix that gets the tool back to spec without modifying other components. This item is one of the common power tool parts used in Bosch rotary-hammer clutch assemblies.

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