Bosch 1614630003 — Genuine Bosch Compression Spring

Replace worn or lost internal springs with this genuine Bosch compression spring (part no. 1614630003 / 1 614 630 003). Designed as the direct replacement spring used inside Bosch rotary hammer/hammer-drill assemblies, it restores correct tension and reliable hammer action for affected mechanisms. This single-unit spring fits a range of Bosch models including GBH 18 V‑EC, GBH 18V‑20, GBH 2‑20 D, GBH 200 and GBH 36 V‑LI, and is supplied as the original Bosch spare part for professional repair and maintenance.