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    Repair Kit, wheel brake cylinder

    Product number: D3446
    ART: D3446 / EAN: 8430320024011

    AUTOFREN SEINSA
    Advised products
    Price incl. vat.
    € 3,33
    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
    AUDI AUDI
    SEAT SEAT
    VW VW
    Manufacturer Productnumber
    VAG 1H0611053A
    VAG V03795391
    Usage numbers
    D3-446
    D3446
    8
    43032E+12

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    Repair Kit, wheel brake cylinder

    The Repair Kit, wheel brake cylinder (D3446) restores proper sealing and function to worn wheel cylinders. Replacing internal components ensures reliable hydraulic pressure and safe braking performance. Use Porza’s smart search to find the correct kit.

    FAQ

    A repair kit for a wheel brake cylinder is a set of components used to restore the sealing and functionality of the cylinder in drum brake systems. It typically includes piston seals, dust boots, O-rings, and sometimes new pistons or springs. These parts ensure proper hydraulic pressure, prevent brake fluid leakage, and allow smooth piston movement during braking.

    Key specifications include piston diameter, seal dimensions, and compatibility with the specific cylinder type. Seals are usually made from EPDM rubber, which is resistant to brake fluids such as DOT 3, DOT 4, and DOT 5.1. The materials must withstand hydraulic pressure and temperatures often ranging from 150–200°C, while maintaining elasticity and durability over time.

    A repair kit should be used when there are signs of brake fluid leakage, reduced braking performance, or sticking pistons in the wheel cylinder. It is commonly applied during brake system maintenance or overhaul to restore proper function without replacing the entire cylinder.

    Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the repair kit matches the correct piston size and cylinder design, reducing the risk of incorrect fitment.

    Porza supplies high-quality brake components with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This provides 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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