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    Piston, brake caliper

    Product number: D025225
    ART: D025225 / EAN: 8430320106342

    AUTOFREN SEINSA
    Advised products
    Price incl. vat.
    € 10,65
    Leverdatum: 03-06-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ACURA ACURA
    CHRYSLER CHRYSLER
    HONDA HONDA
    MERCEDES-BENZ MERCEDES-BENZ
    ROVER ROVER
    Manufacturer Productnumber
    MERCEDES-BENZ 1694200383
    MERCEDES-BENZ 1694200483
    MERCEDES-BENZ 1694201183
    MERCEDES-BENZ 1694201283
    CHRYSLER 05017832AA
    CHRYSLER 05017833AA
    CHRYSLER 5017832AA
    CHRYSLER 5017833AA
    HONDA 45012SN7G40
    HONDA 45012SN7G41
    HONDA 45012SN7G41HS
    HONDA 45012SN7G50
    HONDA 45012SN7G50HS
    HONDA 45013SN7G40
    HONDA 45013SN7G41
    HONDA 45013SN7G41HS
    HONDA 45013SN7G50HS
    HONDA 45018SL0J01
    HONDA 45018SM5000
    HONDA 45018SS0000
    HONDA 45018SS0A00
    HONDA 45018ST7000
    HONDA 45018SV4N00
    HONDA 45018SW5003
    HONDA 45018SZ3A01
    HONDA 45019SL0J01
    HONDA 45019SM5000
    HONDA 45019SS0000
    HONDA 45019SS0A00
    HONDA 45019ST7000
    HONDA 45019SV4N00
    HONDA 45019SW5003
    HONDA 45019SZ3A01
    HONDA 45210SH3N32
    HONDA 45210SM2003
    HONDA 45210SM2013
    HONDA 45210SM2023
    HONDA 45210SM4003
    HONDA 45210SM4013
    HONDA 45210SM4G04
    HONDA 45210SM4G05
    HONDA 45210SM5A01
    HONDA 45210SM5G51
    HONDA 45210SM5G51HS
    HONDA 45210SS0G01
    HONDA 45210SS0G01HS
    HONDA 45210SS0G11
    HONDA 45210SS0G12
    HONDA 45216-SM4-003 , 45216SM4003
    HONDA 45216SM4003
    HONDA 45230SM2003
    HONDA 45230SM2013
    HONDA 45230SM2023
    HONDA 45230SM4003
    HONDA 45230SM4013
    HONDA 45230SM4G04
    HONDA 45230SM4G05
    HONDA 45230SM5A01
    HONDA 45230SM5G51
    HONDA 45230SM5G51HS
    HONDA 45230SS0G01
    HONDA 45230SS0G01HS
    HONDA 45230SS0G11
    HONDA 45230SS0G12
    HONDA GBC90174
    ROVER 45013SN7G50
    ROVER GBC90172
    ROVER GBC90173
    ROVER GBC90175
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    Piston, brake caliper

    The Piston, brake caliper (D025225) 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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    kenteken

    Straelseweg 52, 5911 CR
    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
    085 401 1901
    KVK 0123456678
    BTW 01NL123435B1