Coolant thermostat removal and installation procedure for 453 model with 281 engine, showing thermostat location and connected hoses.

Engine bay diagram showing coolant thermostat and four connected coolant hoses with numbered callouts 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.