Mass air flow meter Smart FORFOUR (454) 2004–2006 1.5 CDI (454.001) OM 639.939 A6400900107

Part type

Mass air flow meter

Also known as

MAF sensor, Air flow meter

Manufacturer

Smart

Model

FORFOUR (454)

Years

2004–2006

Engine

1.5 CDI (454.001)

Engine code

OM 639.939

SKU

3FC7C3F2

OEM

A6400900107

Mass air flow meter removed from a Smart FORFOUR (454) 1.5 CDI donor vehicle. This sensor measures incoming air volume to optimize fuel injection and engine performance. OEM code A6400900107. Verify fitment against your original unit's part number before ordering, as MAF sensor calibration is vehicle-specific.