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    Seal, fuel filter

    Product number: 3.92121
    ART: 3.92121 / EAN: 4047755416218

    DT Spare Parts
    Advised products
    Price incl. vat.
    € 10,61
    Add to cart
    Leverdatum: 22-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
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    MAN 81.12902.6000 , 81129026000
    Usage numbers
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    Seal, fuel filter

    FAQ

    A seal for a fuel filter is a sealing component used to ensure a leak-tight connection between the fuel filter and its housing or connecting parts. Its function is to prevent fuel leakage and stop air from entering the fuel system, which is critical for maintaining proper fuel pressure, engine efficiency, and reliable operation.

    Key specifications include inner and outer diameter, thickness, and material composition. Fuel filter seals are typically made from fuel-resistant materials such as nitrile rubber (NBR) or fluorocarbon (FKM/Viton), which can withstand exposure to gasoline or diesel, pressure, and temperatures commonly ranging from -30°C to +120°C or higher. Good elasticity and chemical resistance are essential for effective sealing.

    Replacement is necessary whenever the fuel filter is replaced or when the seal shows signs of wear, cracking, hardening, or deformation. A faulty seal can lead to fuel leaks, pressure loss, or air entering the system, which may cause starting issues or reduced engine performance.

    Porza offers a fit guarantee option where your vehicle details or technical specifications are checked against product data. This ensures the seal matches the correct dimensions and material requirements for your fuel filter system, reducing the risk of incorrect fitment.

    Porza supplies high-quality fuel system 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 maintenance 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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