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    Mass Air Flow Sensor

    Product number: LM1039
    ART: LM1039 / EAN: 4048488000118

    Price incl. vat.
    € 50,80
    Add to cart
    Leverdatum: 13-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    NISSAN NISSAN
    OPEL OPEL
    RENAULT RENAULT
    Manufacturer Productnumber
    MITSUBISHI MB87504
    OPEL 0911073
    OPEL 09110733
    OPEL 4402733
    OPEL 9110733
    RENAULT 7700104426
    RENAULT 7700109812
    NISSAN 1658000QAB
    NISSAN 22680AW300
    NISSAN 7700109812
    VAUXHALL 0911073
    VAUXHALL 09110733
    VAUXHALL 9110733
    HITACHI 2505104
    GENERAL MOTORS 09110733
    GENERAL MOTORS 9110733
    Usage numbers
    LM1039
    4
    04849E+12
    ATLM1039
    4048488017413

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    Mass Air Flow Sensor

    The Mass Air Flow Sensor (LM1039) 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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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
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    info@porza.nl
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