Engine M132 belt drive system with poly-V and stretch belt configuration, numbered pulleys and tensioning device callouts.

Engine belt drive diagram showing alternator, coolant pump, refrigerant compressor, crankshaft pulleys and tensioning mechanism.

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See all Powertrain figures for the Fortwo (451), 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.