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    Timing Chain Kit

    Product number: 21-0621
    ART: 21-0621 / EAN: 4047753350910

    HEPU
    Advised products
    Price incl. vat.
    € 1.037,16
    Add to cart
    Leverdatum: 13-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    MERCEDES-BENZ MERCEDES-BENZ
    Manufacturer Productnumber
    MERCEDES-BENZ 0009930776
    MERCEDES-BENZ 0009931378
    MERCEDES-BENZ 278 050 03 05 , 2780500305
    MERCEDES-BENZ 278 052 05 03 , 2780520503
    MERCEDES-BENZ 2780500305
    MERCEDES-BENZ 2780503716
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    MERCEDES-BENZ A2780503716
    MERCEDES-BENZ A2780503816
    MERCEDES-BENZ A2780520503
    Usage numbers
    HEP21-0621
    21-0621
    4
    04775E+12

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    Timing Chain Kit

    The Timing Chain Kit (21-0621) maintains complete timing system stability and synchronization. A Porza set guarantees long-term durability and precise valve timing.  

    FAQ

    A timing chain kit is a set of components used to service or replace the engine’s timing chain system. It typically includes the timing chain, tensioner, guide rails, sprockets, and sometimes seals or gaskets.

    Key specifications include chain length, number of links, sprocket design, tensioner type, material quality, and compatibility with the engine. All components must work together precisely to maintain correct engine timing.

    Replacement is necessary when the timing chain system shows signs of wear or failure. Common symptoms include rattling noises, engine misalignment, poor performance, or warning lights. Unlike belts, chains last longer but still require replacement when worn.

    Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.

    Porza provides high-quality engine components with fast delivery across Europe and options for online ordering or in-store pickup.

    If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.

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