High Customer rating
Fast delivery
OE & Aftermarket
Best Quality
B2B prices available
  •  
    • Favorites
    Login
  •  
    0
    •
    Sign in
    Mechanic/Wholesaler
  •  
    0
    •
    Helpdesk code:
    77AE7
    € 0
    GB
    VIN
    1
    2
    3

    Search by company, model and type.

    Wheel Brake Cylinder

    Product number: 803953
    ART: 803953 / EAN: 5703858507633

    NK
    Advised products
    Price incl. vat.
    € 16,77
    Add to cart
    Leverdatum: 03-06-2026

    payment icons payment icons payment icons payment icons

    delivery_icon

    DHL

    Expresslevering
    delivery_icon

    UPS

    Expresslevering
    delivery_icon

    PostNL

    Expresslevering
    delivery_icon

    DPD Nederland

    Expresslevering
    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    RENAULT RENAULT
    Manufacturer Productnumber
    RENAULT 7701 033 600 , 7701033600
    RENAULT 7701 035 464 , 7701035464
    Usage numbers

    Your last viewed products

    Deflection/Guide Pulley, V-ribbed belt FEBI BILSTEIN 12518)
    Deflection/Guide Pulley, V-ribbed belt FEBI BILSTEIN 12518)
    EAN code 4027816125181
    Productnumber 12518
    Brand FEBI BILSTEIN
    Price incl. vat.
    $55.62

    Add to cart
    Brake Pad Set, disc brake MAXGEAR 19-0560)
    Brake Pad Set, disc brake MAXGEAR 19-0560)
    EAN code 5907558530193
    Productnumber 19-0560
    Brand MAXGEAR
    Price incl. vat.
    $19.19

    In stock

    Add to cart
    Inner Tie Rod MEYLE 716 031 0008)
    Inner Tie Rod MEYLE 716 031 0008)
    EAN code 4040074421857
    Productnumber 716 031 0008
    Brand MEYLE
    Price incl. vat.
    $13.59

    In stock

    Add to cart
    Hydraulic Hose, steering TRISCAN 8516 29055)
    Hydraulic Hose, steering TRISCAN 8516 29055)
    EAN code 5710476476579
    Productnumber 8516 29055
    Brand TRISCAN
    Price incl. vat.
    $42.48

    In stock

    Add to cart
    Filter, cabin air BLUE PRINT ADK82514)
    Filter, cabin air BLUE PRINT ADK82514)
    EAN code 5050063239669
    Productnumber ADK82514
    Brand BLUE PRINT
    Price incl. vat.
    $4.54

    In stock

    Add to cart
    Fuel Filter BOSCH F 026 402 170)
    Fuel Filter BOSCH F 026 402 170)
    EAN code 4047025343640
    Productnumber F 026 402 170
    Brand BOSCH
    Price incl. vat.
    $45.47

    In stock

    Add to cart
    Fuel Filter MANN-FILTER PU 11 001 z KIT)
    Fuel Filter MANN-FILTER PU 11 001 z KIT)
    EAN code 4011558076924
    Productnumber PU 11 001 z KIT
    Brand MANN-FILTER
    Price incl. vat.
    $55.03

    In stock

    Add to cart
    Oil Filter MANN-FILTER HU 7049 z)
    Oil Filter MANN-FILTER HU 7049 z)
    EAN code 4011558342463
    Productnumber HU 7049 z
    Brand MANN-FILTER
    Price incl. vat.
    $15.62

    In stock

    Add to cart
    Wheel Brake Cylinder NK 803949)
    Wheel Brake Cylinder NK 803949)
    EAN code 5703858507596
    Productnumber 803949
    Brand NK
    Price incl. vat.
    $14.26

    In stock

    Add to cart
    Repair Kit, brake caliper AUTOFREN SEINSA D42256C)
    Repair Kit, brake caliper AUTOFREN SEINSA D42256C)
    EAN code 8430320195391
    Productnumber D42256C
    Brand AUTOFREN SEINSA
    Price incl. vat.
    $12.51

    In stock

    Add to cart
    Wheel Brake Cylinder

    The Wheel Brake Cylinder (803953) 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.


    Borg Automotive Newman A/S, Juelstrupparken, Støvring, Denemarken
    +45 96 31 76 00
    info@nk-autoparts.com

    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.

    WhatsApp
    Click to chat
    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

    Customer Service

    Sitemap

    Terms & Conditions

    Social media