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    Secondary Air Filter

    Product number: 42921
    ART: 42921 / EAN:

    WIX FILTERS
    Advised products
    Price incl. vat.
    € 38,77

    Not in stock, Request information
    Leverdatum: 01-01-1970

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
     FENDT
    Manufacturer Productnumber
    FIAT 19303790
    LAMBORGHINI 2.4249.380.2 , 242493802
    LIEBHERR 700 5287 , 7005287
    FENDT G 515200090110 , G515200090110
    FENDT H 312 200 090 110 , H312200090110
    CASE IH G 21505-06 , G2150506
    MASSEY FERGUSON 1426450M91
    MASSEY FERGUSON D 46480034 , D46480034
    SAME 24249380.2 , 242493802
    PERKINS 26510318
    CATERPILLAR 100-6849 , 1006849
    LANDINI 1426450 M91 , 1426450M91
    LANDINI 3540423 M91 , 3540423M91
    AMMANN 1-947554 , 1947554
    Usage numbers
    42921WIX
    42921

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    Secondary Air Filter

    The Secondary Air Filter (42921) provides additional filtration to protect the engine in high dust environments. Replacing the secondary filter ensures optimal airflow and long engine life. Use Porza’s smart search to find the correct filter.

    FAQ

    A secondary air filter is an additional filtration component installed alongside the primary air filter in the intake system. Its function is to provide an extra layer of protection by capturing finer particles that may pass through the main filter. This helps ensure cleaner air reaches the engine, improving durability and maintaining optimal performance, especially in demanding or dusty environments.


    Key specifications include filtration efficiency (often higher than the primary filter), airflow capacity, dimensions, and filter material (typically fine paper or synthetic media). The filter must balance fine particle capture with sufficient airflow, and it should withstand operating temperatures typically ranging from 80–120°C in engine environments. Proper fitment within the air filter housing is essential for effective sealing.


    Replacement is necessary when the filter becomes clogged or reaches its service interval. Since it captures finer particles, it may clog faster than the primary filter in harsh conditions. Regular inspection is important, especially in off-road or heavy-duty applications where air contamination is higher.


    Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the secondary air filter matches the correct size and configuration for your intake system, reducing the risk of incorrect fitment.


    Porza supplies high-quality filtration 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 flexible 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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