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    Mass Air Flow Sensor

    Product number: AF10403-12B1
    ART: AF10403-12B1 / EAN: 5012759981184

    DELPHI
    Advised products
    Price incl. vat.
    € 116,00

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    Leverdatum: 24-04-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ALFA ROMEO ALFA ROMEO
    FIAT FIAT
    LANCIA LANCIA
    Manufacturer Productnumber
    LANCIA 55183650
    LANCIA 71787968
    LANCIA 71788003
    LANCIA 71788006
    LANCIA 71788028
    LANCIA 71788049
    LANCIA 71788051
    LANCIA 71789484
    LANCIA 71789487
    LANCIA 71793250
    FIAT 55183650
    FIAT 71787952
    FIAT 71787968
    FIAT 71787976
    FIAT 71787994
    FIAT 71787997
    FIAT 71788001
    FIAT 71788003
    FIAT 71788005
    FIAT 71788006
    FIAT 71788028
    FIAT 71788030
    FIAT 71788033
    FIAT 71788036
    FIAT 71788039
    FIAT 71788040
    FIAT 71788042
    FIAT 71788045
    FIAT 71788048
    FIAT 71788049
    FIAT 71788051
    FIAT 71789480
    FIAT 71789484
    FIAT 71789486
    FIAT 71789487
    FIAT 71789489
    FIAT 71793250
    ALFA ROMEO 55183650
    ALFA ROMEO 71787952
    ALFA ROMEO 71787968
    ALFA ROMEO 71787976
    ALFA ROMEO 71787994
    ALFA ROMEO 71787997
    ALFA ROMEO 71788001
    ALFA ROMEO 71788003
    ALFA ROMEO 71788005
    ALFA ROMEO 71788006
    ALFA ROMEO 71788030
    ALFA ROMEO 71788033
    ALFA ROMEO 71788036
    ALFA ROMEO 71788039
    ALFA ROMEO 71788042
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    ALFA ROMEO 71793250
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    Mass Air Flow Sensor

    The Mass Air Flow Sensor (AF10403-12B1) measures the exact air intake for precise fuel injection control. Replacing it with a Porza-quality unit restores smooth performance, efficiency, and emissions stability.

    FAQ

    A mass air flow (MAF) sensor is an electronic component that measures the amount and density of air entering the engine. Its function is to send this data to the engine control unit (ECU), which uses it to calculate the correct amount of fuel needed for optimal combustion, performance, and emissions.


    Key specifications include sensor type (hot wire or hot film), operating voltage (typically 12V), measurement range, connector type, and compatibility with the vehicle’s ECU. The sensor must provide accurate readings under varying conditions and withstand temperatures typically ranging from -40°C to +120°C.


    Replacement is necessary when the sensor becomes faulty, contaminated, or damaged. Common symptoms include rough idling, poor acceleration, increased fuel consumption, reduced engine power, or a check engine light. In some cases, cleaning the sensor may restore performance, but replacement is required if the issue persists.


    Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the sensor matches your engine and ECU requirements, reducing the risk of incorrect fitment.


    Porza supplies high-quality engine management components with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This allows quick and reliable access to essential parts for both professional workshops and individual users.


    If you select the fit guarantee, Porza verifies compatibility before shipment. If the product does not fit or meet expectations, it can be returned according to the return policy. This ensures a reliable and risk-free purchasing experience.


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    Venlo
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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
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    info@porza.nl
    085 401 1901
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