Replace valve stem seals with cylinder head installed, 281 engine model 453, showing cylinder head assembly, valve components, and removal procedure.

Engine cylinder head with numbered callouts showing valve stem seal replacement procedure for smart 453

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See all Powertrain figures for the Fortwo / Forfour (453), 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.