V-belt tension gauge (450 589 00 21 00) and socket wrench tools for coolant pump pulley service on chassis 451.

Technical diagram showing V-belt tension gauge and socket wrench tools with part numbers.

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See all Powertrain figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.