Secondary air injection pump location and component identification for 451.3/4 models with 132.9 engine.

Two photos showing secondary air injection pump M33 location on engine and component close-up view.

View full-size image ↗

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.