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    Alternator Regulator

    Product number: 1 987 237 057
    ART: 1 987 237 057 / EAN: 4047025664165

    BOSCH
    Advised products
    You saved 12,6%
    Price incl. vat.
    € 54,64 € 47,76
    Add to cart
    Leverdatum: 01-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    Manufacturer Productnumber
    MERCEDES-BENZ 002 154 47 06 , 0021544706
    MERCEDES-BENZ 002 154 94 06 , 0021549406
    MERCEDES-BENZ 002 154 99 06 , 0021549906
    MERCEDES-BENZ 003 154 00 06 , 0031540006
    MERCEDES-BENZ A 002 154 47 06 , A0021544706
    MERCEDES-BENZ A 002 154 94 06 , A0021549406
    MERCEDES-BENZ A 002 154 99 06 , A0021549906
    MERCEDES-BENZ A 003 154 00 06 , A0031540006
    DAF 068353
    MAN 81 25601 6027 , 81256016027
    MAN 81 25601 6033 , 81256016033
    STEYR 615 00 09 0729 , 61500090729
    STEYR 61500090729
    KHD 01318299
    KHD 131 8299 , 1318299
    MAGIRUS-DEUTZ 01318299
    MAGIRUS-DEUTZ 131 8299 , 1318299
    FENDT V 835 362 076 , V835362076
    FENDT V835362076
    CUMMINS 3 870 981 , 3870981
    Usage numbers
    28V
    1 987 237 057
    1.987.237.057
    4
    04703E+12

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    Alternator Regulator

    The Alternator Regulator (1 987 237 057) regulates alternator voltage for safe battery charging. Replacing it with a Porza-quality regulator restores stable power and electrical system protection.  

    Bosch – Quality and Innovation in Car Parts

    Bosch is a globally recognized leader in automotive technology and car parts. Founded in Germany in 1886, the brand has built a strong reputation for reliability, technical innovation, and premium-quality products for over a century. The Bosch Car Parts division offers an extensive range of components for both passenger cars and commercial vehicles, compatible with nearly all makes and models.

    The product range includes brake systems, spark plugs, batteries, wiper blades, filters, sensors, and electronic components. Bosch is also a market leader in engine management systems and vehicle electronics, including ABS, ESP, and fuel injection systems. Every part is manufactured to the highest OEM standards and undergoes rigorous quality control to ensure performance and safety.

    Venlo, Nederland
    412351345143
    DASFASDF

    FAQ

    An alternator regulator, also known as a voltage regulator, is an electronic component that controls the output voltage of the alternator. Its function is to maintain a stable voltage level to protect the battery and electrical systems from overcharging or undercharging.


    Key specifications include voltage rating, current capacity, connector type, mounting design, and compatibility with the alternator and vehicle. It must provide precise voltage control under varying operating conditions.


    Replacement is necessary when the regulator fails or becomes inaccurate. Common symptoms include battery overcharging, undercharging, fluctuating voltage, warning lights, or electrical system issues.


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


    Porza provides high-quality electrical 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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