Engine crankshaft belt pulley, center bolt, timing case cover, camshaft adjuster, and camshaft sprocket identification on Smart chassis 450/451/452/454.

Two figures showing labeled engine components: crankshaft belt pulley, center bolt, timing case cover, camshaft adjuster, and camshaft sprocket with numbered callouts.

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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.