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    Piston, brake caliper

    Product number: D02522
    ART: D02522 / EAN: 8430320072739

    AUTOFREN SEINSA
    Advised products
    Price incl. vat.
    € 4,88

    Add to cart
    Leverdatum: 19-04-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ALFA ROMEO ALFA ROMEO
    AUDI AUDI
    FORD FORD
    LANCIA LANCIA
    MERCEDES-BENZ MERCEDES-BENZ
    OPEL OPEL
    PORSCHE PORSCHE
    VAUXHALL VAUXHALL
    VOLVO VOLVO
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    VOLVO 12064945
    VOLVO 12064952
    VOLVO 12295499
    VOLVO 12295507
    VOLVO 1229551
    VOLVO 12295515
    VOLVO 1229552
    VOLVO 12295523
    VOLVO 1272758
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    VOLVO 1272759
    VOLVO 12727590
    VOLVO 1273665
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    VOLVO 1330415
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    VOLVO 13304175
    VOLVO 1330419
    VOLVO 13304191
    VOLVO 1359229
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    VOLVO 1359230
    VOLVO 13592308
    VOLVO 1387946
    VOLVO 3516317
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    VOLVO 35163187
    VOLVO 3524365
    VOLVO 3524366
    VOLVO 3530756
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    VOLVO 35307586
    VOLVO 3530759
    VOLVO 3546491
    VOLVO 35464916
    VOLVO 3546492
    VOLVO 35464924
    VOLVO 5002010
    VOLVO 50020106
    VOLVO 5002011
    VOLVO 50020114
    VOLVO 5002212
    VOLVO 5003512
    VOLVO 50035120
    VOLVO 5003513
    VOLVO 50035138
    VOLVO 5003514
    VOLVO 50035146
    VOLVO 5003515
    VOLVO 50035153
    VOLVO 5003574
    VOLVO 50035740
    VOLVO 5003813
    VOLVO 5003813-2 , 50038132
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    VOLVO 5003814-0 , 50038140
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    VOLVO 8602006
    VOLVO 86020062
    VOLVO 8602007
    VOLVO 9140392
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    VOLVO 9157439-2 , 91574392
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    ALFA ROMEO 105262600301
    ALFA ROMEO 105262600401
    ALFA ROMEO 105482600301
    ALFA ROMEO 105482600401
    MERCEDES-BENZ 0004233683
    MERCEDES-BENZ 0004235898
    MERCEDES-BENZ 0004235998
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    Piston, brake caliper

    The Piston, brake caliper (D02522) applies hydraulic force to the brake pads, ensuring strong and reliable braking performance. Replacing a worn piston restores smooth caliper function and consistent stopping power. Use Porza’s smart search to find the correct piston.

    FAQ

    A brake caliper piston is a cylindrical component inside the brake caliper that converts hydraulic pressure into mechanical force. When the brake pedal is pressed, brake fluid pushes the piston outward, pressing the brake pads against the disc to create friction and slow the vehicle. The piston then retracts slightly after braking to maintain proper clearance between the pads and the disc.


    Key specifications include piston diameter, height, material type, and surface finish. Pistons are commonly made from steel, aluminum, or phenolic (composite) materials. Steel pistons offer strength, while phenolic pistons provide better heat insulation. Surface treatments such as chrome plating or anodizing improve corrosion resistance and reduce friction. The piston must withstand high temperatures (often exceeding 200°C) and hydraulic pressure while maintaining dimensional stability.


    Replacement is necessary when the piston is corroded, pitted, seized, or causing brake fluid leaks. Symptoms include uneven braking, sticking calipers, or reduced braking performance. Pistons are often replaced during caliper overhaul along with seals and dust boots to restore proper 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 piston matches the exact diameter and design required for your brake caliper, minimizing 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, with reliable availability and service.


    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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