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    Secondary Air Filter

    Product number: AF25523
    ART: AF25523 / EAN:

    FLEETGUARD
    Advised products
    Price incl. vat.
    € 43,48
    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
     JCB
     KAMAZ
    Manufacturer Productnumber
    VOLVO 11110004
    VOLVO 11110023
    VOLVO 111100236
    VOLVO 11110026
    VOLVO 11110109
    VOLVO 11110280
    VOLVO 11110604
    VOLVO 14509449
    VOLVO 15193225
    VOLVO VOE11110004
    VOLVO VOE11110023
    VOLVO VOE111100236
    VOLVO VOE11110026
    VOLVO VOE11110109
    VOLVO VOE11110280
    VOLVO VOE11110604
    VOLVO VOE14509449
    VOLVO VOE15193225
    HYUNDAI 11Q820310
    RENAULT 7700056505
    BMC 52RS001779
    DAF 1536149
    KAWASAKI 3098170820
    MAN 81083040098
    HITACHI 4459548
    HITACHI L4459548
    JOHN DEERE AT175224
    JOHN DEERE F434395
    BOMAG 5821367
    LIEBHERR 7414300
    CASE IH 275810A1
    CASE IH 327583A1
    CASE IH 450769A1
    CASE IH 72211066
    CASE IH 84817076
    CASE IH 87682985
    CASE IH KSH0932
    MASSEY FERGUSON 3903031
    MASSEY FERGUSON 3903031M1
    MASSEY FERGUSON 46485600
    JCB 32925336
    JCB 58012141
    ATLAS COPCO 5112306566
    CATERPILLAR 1421404
    CATERPILLAR 1713885
    CATERPILLAR 2056641
    CATERPILLAR 2552914
    CATERPILLAR 2666190
    CATERPILLAR 30008843
    CATERPILLAR 3244149
    CATERPILLAR 3244276
    CATERPILLAR 3244277
    HYSTER 1507231
    INGERSOLL-RAND 85400786
    KOMATSU 6001854220
    NEW HOLLAND 327583A1
    NEW HOLLAND 450769A1
    NEW HOLLAND 72211066
    NEW HOLLAND 73181674
    NEW HOLLAND 84031480
    NEW HOLLAND 87042094
    DYNAPAC 385378
    AGCO 3903031M1
    AGCO AG610419
    MACK 5839AF25523
    KAMAZ 7281109560
    KAMAZ 72811095601
    DOOSAN 40050400181
    FURUKAWA 38802111220
    FURUKAWA 8970513102
    GROVE 9304100228
    KOBELCO LV11P00002S002
    TERBERG-BENSCHOP 28040731
    TERBERG-BENSCHOP T28040731
    SANY 60207264
    SANY B222100000422
    xcmg 800151038
    Usage numbers
    AF25523
    AF2552300

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    Secondary Air Filter

    The Secondary Air Filter (AF25523) 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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