MAP sensor Ford FOCUS Mk 1 1998–2004 1S4A9F479BA

Part type

MAP sensor

Also known as

Manifold absolute pressure sensor

Manufacturer

Ford

Model

FOCUS Mk 1

Years

1998–2004

SKU

5B5F361F

OEM

1S4A9F479BA [1S4A-9F479-BA]

1S4A9F479

This manifold absolute pressure sensor monitors intake air pressure to help the engine control unit optimize fuel injection and ignition timing. Removed from a Ford Focus Mk 1 donor vehicle. Verify the OEM codes (1S4A9F479BA or 1S4A9F479) match your original unit before ordering to ensure correct fitment.