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    Ring Gear, crankshaft

    Product number: 20090340310
    ART: 20090340310 / EAN: 4028977801655

    BF
    Advised products
    Price incl. vat.
    € 19,17
    Add to cart
    Leverdatum: 04-07-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    Usage numbers
    20 0903 40310
    20090340310
    4
    02898E+12

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    Ring Gear, crankshaft

      The Ring Gear, crankshaft (20090340310) seals engine oil at the crankshaft exit point. Replacing it with a Porza-quality seal restores oil retention, engine protection, and long-term reliability.  

    FAQ

    A ring gear for a crankshaft is a toothed gear mounted on the flywheel or crankshaft assembly. Its function is to engage with the starter motor to turn the engine during startup.

    Key specifications include number of teeth, diameter, material, mounting type, and compatibility with the engine and starter system. It must ensure precise engagement and withstand high mechanical stress.

    Replacement is necessary when the gear teeth are worn, damaged, or broken. Common symptoms include difficulty starting the engine, grinding noises, or the starter motor slipping.

    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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