Original Bosch impeller / fan wheel — part number 1609203C85 (also shown as 1 609 203 C85) — a precision multi‑vane rotor (blade wheel) engineered to restore the suction stage in Bosch professional vacuums.

Fits Bosch GAS 25 and GAS 25 L SFC series (referenced as item 73 in the Bosch exploded parts diagrams for those types).

The component is an original Bosch replacement designed for correct fitment in the motor housing and smooth, balanced rotation; Listed under Model number : GAS 25 and GAS 25 L SFC

Choose this original Bosch impeller when the vacuum’s airflow has fallen or the rotor shows wear — it’s listed among Bosch power tool parts for the GAS 25 series and installs in place of the original fan wheel for a straightforward repair.