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    Secondary Air Filter

    Product number: P533781
    ART: P533781 / EAN: 0742330039502

    DONALDSON
    Advised products
    Price incl. vat.
    € 63,11
    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
    Manufacturer Productnumber
    VOLVO 43930262
    MERCEDES-BENZ VDNP533781
    HYUNDAI 11N627030
    HYUNDAI 11N627030PB
    HYUNDAI HY11N627030AS
    DAEWOO 47400039
    ISUZU X142100730
    KAWASAKI 309817080
    KAWASAKI 3098170800
    JOHN DEERE AE67007
    JOHN DEERE AT178517
    JOHN DEERE F434389
    JOHN DEERE F434389J
    DEUTZ E0300348
    ATLAS COPCO 1627457001
    CATERPILLAR 30010418
    KOMATSU 1308463H1
    KOMATSU 5036782
    KOMATSU 6001854120
    TIMBERJACK F434389
    TIMBERJACK FO44979
    NEW HOLLAND 84517644
    NEW HOLLAND 87564846
    NEW HOLLAND LQ11P00023S002
    FREIGHTLINER DNP533781
    FREIGHTLINER P533781
    AGCO 0700717485
    AGCO 700717485
    DOOSAN 40040100090
    DOOSAN 47400039
    DOOSAN 97400039
    DOOSAN P786738
    DITCH WITCH 194352
    GRADALL 80474013
    GRADALL G2615402
    KOBELCO LQ11P00023S002
    ZOOMLION 1010500455
    yto 240100158182
    Usage numbers
    P533781

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    Secondary Air Filter

    The Secondary Air Filter (P533781) 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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