Front crankshaft radial sealing ring replacement procedure for 281 engine in 453 model, showing timing case cover and removal steps.

Engine timing case with labeled radial shaft sealing ring and insertion device components for 453 chassis.

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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.