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    Piston, brake caliper

    Product number: D025129
    ART: D025129 / EAN: 8430320084718

    AUTOFREN SEINSA
    Advised products
    Price incl. vat.
    € 16,50
    Add to cart
    Leverdatum: 10-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    AUDI AUDI
    CITROËN CITROËN
    FIAT FIAT
    LANCIA LANCIA
    LAND ROVER LAND ROVER
    NISSAN NISSAN
    OPEL OPEL
    PEUGEOT PEUGEOT
    PORSCHE PORSCHE
    RENAULT RENAULT
    TOYOTA TOYOTA
    Manufacturer Productnumber
    CITROËN 1607729580
    CITROËN 1607729780
    CITROËN 1607731680
    CITROËN 1607731780
    CITROËN 440188
    CITROËN 440189
    CITROËN 440190
    CITROËN 440191
    CITROËN 4401G2
    CITROËN 4401G3
    CITROËN 4401H4
    CITROËN 4401H5
    CITROËN 4401K8
    CITROËN 4401K9
    CITROËN 4401L2
    CITROËN 4401L3
    CITROËN 4401N4
    CITROËN 4401N5
    OPEL 4414022
    OPEL 4414023
    OPEL 4418026
    OPEL 4418033
    OPEL 9199254
    OPEL 9199255
    OPEL 93192058
    OPEL 93192059
    LAND ROVER SEG000030
    LAND ROVER SEG000060
    TOYOTA SU001A0513
    TOYOTA SU001A0514
    TOYOTA SU001A0519
    TOYOTA SU001A0520
    RENAULT 6025370848
    RENAULT 6025370849
    RENAULT 6025371277
    RENAULT 6025371278
    RENAULT 7701050920
    RENAULT 7711135701
    RENAULT 7711135702
    RENAULT 8252901
    RENAULT 8252902
    RENAULT 8472236
    RENAULT 8472237
    RENAULT 8472238
    RENAULT 8472239
    NISSAN 4100100QAF
    NISSAN 4101100QAF
    NISSAN 7701050919
    NISSAN 7701051808
    VAG 447615123
    VAG 447615124
    VAG 895615123
    VAG 895615123A
    VAG 895615124
    VAG 895615124A
    FIAT / LANCIA 0001308231080
    FIAT / LANCIA 0001308232080
    FIAT / LANCIA 77364822
    FIAT / LANCIA 77364825
    FIAT / LANCIA 9467566980
    FIAT / LANCIA 9467567080
    FIAT / LANCIA 9467578080
    FIAT / LANCIA 9467578180
    FIAT / LANCIA 9945802
    FIAT / LANCIA 9945803
    FIAT / LANCIA 9945804
    FIAT / LANCIA 9945805
    FIAT / LANCIA 9945811
    FIAT / LANCIA 9945812
    FIAT / LANCIA 9945813
    FIAT / LANCIA 9945814
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    Piston, brake caliper

    The Piston, brake caliper (D025129) 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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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
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    085 401 1901
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