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    Mass Air Flow Sensor

    Product number: 51-0128
    ART: 51-0128 / EAN: 5902659785497

    MAXGEAR
    Advised products
    Price incl. vat.
    € 54,50
    Add to cart
    Leverdatum: 04-08-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ALFA ROMEO ALFA ROMEO
    ISUZU ISUZU
    LANCIA LANCIA
    OPEL OPEL
    Manufacturer Productnumber
    SAAB 93171356
    OPEL 8 36 592 , 836592
    OPEL 90530767
    OPEL 90543463
    OPEL 93171356
    VW 90530767
    VW 90543463
    CHEVROLET 90 530 767 , 90530767
    CHEVROLET 90 543 463 , 90543463
    CHEVROLET 93 171 356 , 93171356
    VAUXHALL 90543463
    VAUXHALL 93171356
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    FS-123

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    Mass Air Flow Sensor

    The Mass Air Flow Sensor (51-0128) 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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