Genuine Bosch 1609B04020 — replacement wheel for Bosch slide/gear assemblies.

Fits Bosch mitre/compound saw models such as GCM 18V‑216, GCM 8 SDE, GCM 8 SJL and GCM 80 SJ. (Cross reference with the 10 digit version number to confirm fit)

Description: precision replacement wheel (gear) used in the sliding/rail mechanism to restore smooth travel and accurate fence alignment. Supplied as the single genuine Bosch part 1609B04020 and intended as a direct-fit swap for the listed GCM-series machines — a small, correct wheel makes a noticeable difference in tracking and cutting consistency when repairing your saw. This is one of those essential power tool parts that fixes chatter and binding in the slide.