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    Brake Master Cylinder

    Product number: LM80455
    ART: LM80455 / EAN: 5012759977439

    DELPHI
    Advised products
    Price incl. vat.
    € 112,43

    Add to cart
    Leverdatum: 29-04-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    FORD FORD
    MAZDA MAZDA
    Manufacturer Productnumber
    FORD 1218798
    FORD 1218799
    FORD 1325337
    FORD 1325339
    FORD 1430784
    FORD 1430785
    FORD 1463557
    FORD 1463560
    FORD 1553144
    FORD 1553145
    FORD 1695061
    FORD 1695062
    FORD 1735964
    FORD 1735965
    FORD 2S612140EA
    FORD 2S612140FA
    FORD 4S612140MA
    FORD 4S612140MB
    FORD 4S612140MC
    FORD 4S612140MD
    FORD 4S612140ME
    FORD 4S612140MF
    FORD 4S612140NA
    FORD 4S612140NB
    FORD 4S612140NC
    FORD 4S612140ND
    FORD 4S612140NE
    FORD 4S612140NF
    FORD 4S6122140ME
    FORD 4S6122140MF
    MAZDA DEY3-43-40Z , DEY34340Z
    MAZDA DEY9-43-40Z , DEY94340Z
    MAZDA DFY3-43-40Z , DFY34340Z
    MAZDA DFY3-43-40ZA , DFY34340ZA
    MAZDA DFY3-43-40ZB , DFY34340ZB
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    Brake Master Cylinder

    The Brake Master Cylinder (LM80455) generates the hydraulic pressure needed for strong and consistent braking performance. Replacing a worn master cylinder restores firm pedal feel and safe, reliable brake operation. Use Porza’s smart search to find the correct unit.

    FAQ

    A brake master cylinder is the central hydraulic component of the braking system that converts the force from the brake pedal into hydraulic pressure. This pressure is distributed through the brake lines to the calipers or wheel cylinders, activating the brakes at each wheel. It ensures balanced and responsive braking performance across the entire vehicle.


    Key specifications include bore diameter, number of circuits (single or dual circuit), reservoir capacity, mounting configuration, and connection types for brake lines. Brake master cylinders are typically made from cast iron or aluminum, with internal seals made from EPDM rubber compatible with DOT 3, DOT 4, or DOT 5.1 brake fluids. They must withstand high hydraulic pressures (often exceeding 100 bar) and operating temperatures typically above 150–200°C.


    Replacement is necessary when there are signs of internal or external fluid leakage, reduced braking efficiency, a spongy or sinking brake pedal, or inconsistent pressure. Internal seal wear or corrosion can lead to loss of pressure and compromised braking safety. In such cases, immediate inspection and replacement are recommended.


    Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the brake master cylinder matches your exact vehicle configuration, including connection types and system requirements, 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 provides 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
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