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    Alternator Regulator

    Product number: 1 987 237 074
    ART: 1 987 237 074 / EAN: 4047026134537

    You saved 12,6%
    Price incl. vat.
    € 48,22 € 42,14

    Core Charge 0.00

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    Leverdatum: 30-04-2026

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    Alternative products

    Alternator Regulator HELLA 5DR 004 242-051)
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    Alternator Regulator HELLA 5DR 004 242-041)
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    EAN code 4082300072198
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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    Manufacturer Productnumber
    MERCEDES-BENZ 003 154 07 06 , 0031540706
    MERCEDES-BENZ A 003 154 07 06 , A0031540706
    BMW 1 730 604 , 1730604
    BMW 12 31 1 730 604 , 12311730604
    Usage numbers
    EL14VMR5
    1 987 237 074
    1.987.237.074
    4
    04703E+12

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    Alternator Regulator

    The Alternator Regulator (1 987 237 074) 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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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

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    085 401 1901
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