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    Repair Kit, brake caliper

    Product number: D42557
    ART: D42557 / EAN: 8430320219042

    AUTOFREN SEINSA
    Advised products
    Price incl. vat.
    € 5,97
    Leverdatum: 13-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    CITROËN CITROËN
    DS DS
    LAND ROVER LAND ROVER
    MAZDA MAZDA
    MERCEDES-BENZ MERCEDES-BENZ
    NISSAN NISSAN
    OPEL OPEL
    PEUGEOT PEUGEOT
    RENAULT RENAULT
    TOYOTA TOYOTA
    Manufacturer Productnumber
    MERCEDES-BENZ A1764230181
    TOYOTA 4783002360
    TOYOTA 4785002350
    RENAULT 44 01 191 06R , 440119106R
    NISSAN 44011-4EA0A , 440114EA0A
    Usage numbers
    D4-2557
    D42557
    8
    43032E+12

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    Repair Kit, brake caliper

    The Repair Kit, brake caliper (D42557) restores proper brake caliper function by replacing worn internal components. It ensures smooth piston movement, consistent braking pressure, and extended caliper lifespan. Use Porza’s smart search to quickly find the correct repair kit for your vehicle using your license plate, VIN, or detailed vehicle information.  



    FAQ

    A brake caliper repair kit is a set of components used to restore the functionality of a worn or leaking brake caliper. It typically includes piston seals, dust boots, retaining rings, O-rings, and sometimes guide pin components or grease. These parts are essential for maintaining hydraulic pressure, protecting internal components, and ensuring smooth piston movement within the caliper housing.

    Key specifications include seal dimensions (inner and outer diameter), compatibility with piston size, and material quality. Most seals are made from EPDM rubber, resistant to brake fluids such as DOT 3, DOT 4, and DOT 5.1, and capable of handling temperatures above 150–200°C. Precision fitment is critical to ensure proper sealing, pressure retention, and long-term durability.

    A repair kit should be used when there are signs of brake fluid leakage, sticking pistons, reduced braking performance, or visible wear inside the caliper. It is commonly used during brake caliper overhaul to extend the lifespan of the original caliper and restore proper braking function.

    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 your specific brake caliper type and piston dimensions, 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 allows quick 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 secure and risk-free purchasing experience.

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    Venlo
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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
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    info@porza.nl
    085 401 1901
    KVK 0123456678
    BTW 01NL123435B1