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    Brake Disc Back Plate Brake Pad Wear Sensor Brake Pads

    Brake Disc

    Product number: KF155.121U
    ART: KF155.121U / EAN: 3413521295201

    SNR
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    Core Charge 0.00

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    Leverdatum: 22-04-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    MERCEDES-BENZ MERCEDES-BENZ
    RENAULT RENAULT
    Manufacturer Productnumber
    MERCEDES-BENZ A 415 420 01 02 , A4154200102
    RENAULT 43 21 005 52R , 432100552R
    RENAULT 432000022R
    RENAULT 432000023R
    RENAULT 432020879R
    RENAULT 432025057R
    RENAULT 82 00 494 580 , 8200494580
    RENAULT 8200002874
    RENAULT 8200381151
    Usage numbers
    KF155.121U
    3
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    Brake Disc

    The product Brake Disc (KF155.121U) from SNR with article number KF155.121U belongs to the category ##CAT_TITLE## and represents precisely manufactured quality and reliable braking performance. The brake disc was produced according to strict manufacturer specifications and offers an optimal fit for numerous vehicle models.

    High-quality materials and precise workmanship ensure this replacement part guarantees consistent braking performance, good heat dissipation, and a long service life. The design provides stable braking performance even under high thermal stress and supports safe driving.

    At Porza Carparts, you'll find this product at the lowest prices in Netherlads, Germany, France, Spain and whole Europe. Thanks to fast delivery or the option of direct pickup at our locations store, including cash or card payment, we guarantee a quick and easy supply of spare parts.

    FAQ

    A brake disc, also known as a rotor, is a key component of a vehicle’s braking system. It rotates with the wheel and is clamped by the brake pads to create friction, which slows down or stops the vehicle.


    Brake discs should be replaced when they reach the minimum thickness specified by the manufacturer, show signs of heavy wear, cracks, or warping, or when braking performance is reduced.


    Common signs include vibrations when braking, squealing or grinding noises, visible grooves or scoring on the disc surface, and reduced braking efficiency.


    Yes, brake discs are designed to match specific vehicle makes and models. It is important to select the correct size, thickness, and type to ensure proper fit and performance.


    It is not recommended to replace brake discs without also replacing the brake pads. Worn pads can negatively affect new discs and reduce their lifespan and performance.


    High-quality brake discs provide better heat dissipation, durability, and consistent braking performance, which improves safety and reduces the risk of brake failure.


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