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    Wheel Brake Cylinder

    Product number: LW30074
    ART: LW30074 / EAN: 5012759701508

    DELPHI
    Advised products
    Price incl. vat.
    € 12,90
    Add to cart
    Leverdatum: 01-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ALFA ROMEO ALFA ROMEO
    CITROËN CITROËN
    FIAT FIAT
    PEUGEOT PEUGEOT
    RENAULT RENAULT
    Manufacturer Productnumber
    CITROËN 09938868
    CITROËN 09945911
    CITROËN 4402.70 , 440270
    CITROËN 9404402708
    CITROËN ZF09938868
    PEUGEOT 4402.70 , 440270
    FIAT 71739132
    FIAT 9938868
    FIAT 9940554
    FIAT 99445911
    FIAT 9945911
    ALFA ROMEO 9940554
    ALFA ROMEO 9945911
    RENAULT 5001 000 446 , 5001000446
    TALBOT 4402.70 , 440270
    RTI 4402.70 , 440270
    RTI 5001 000 446 , 5001000446
    Usage numbers
    Wheel Brake Cylinder

    The Wheel Brake Cylinder (LW30074) applies hydraulic force to the brake shoes for safe and balanced drum braking. Replacing a worn cylinder restores full braking performance. Use Porza’s smart search to find the correct cylinder.

    FAQ

    A wheel brake cylinder is a hydraulic component used in drum brake systems to convert brake fluid pressure into mechanical force. When the brake pedal is pressed, hydraulic pressure pushes the internal pistons outward, forcing the brake shoes against the drum to create friction and slow the vehicle. It is a key part of ensuring effective and balanced braking performance.


    Key specifications include cylinder bore diameter, number of pistons (typically two), mounting configuration, and connection type for the brake line. Materials are usually cast iron or aluminum for strength and heat resistance. Internal seals are made from EPDM rubber, compatible with brake fluids such as DOT 3, DOT 4, and DOT 5.1. The cylinder must withstand hydraulic pressure and operating temperatures often exceeding 150–200°C.


    Replacement is necessary when there are signs of brake fluid leakage, corrosion, or piston seizure. Symptoms include reduced braking performance, uneven braking, or fluid visible around the drum area. In some cases, a repair kit can be used, but severe wear or damage requires full replacement of the 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 wheel brake cylinder matches the correct bore size, mounting type, and connection for your braking system, reducing the risk of incorrect fitment.


    Porza provides 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 and flexible access to essential parts for both professional workshops and individual users, with reliable European-wide shipping.


    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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    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

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